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REFUSOL

REFUSOL-error codes

Below you will find a list of common error messages from various brands. Not all error messages are listed here. It is advisable to also consult the manual of the device.
BrandError codeCauseAction
Refusol0x000000 Error managementError may have been acknowledged although this was not permissible. No other explanation can be provided for error.Restart.
Refusol0x0A0000 FPGA firmwareIncorrect FPGA versionPlease arrange for inverter service to perform an update.
Refusol0x0A0001 Regulator voltage 1Regulation error in positive boost converterWait for the regulator to be come stable again. If this takes more than 2 3h, please Contact inverter service
Refusol0x0A0002 Regulator voltage 2Regulation error in negative boost converterWait for the regulator to be come stable again. If this takes more than 2 3h, please Contact inverter service
Refusol0x0A0003 Regulator voltage 3Asymmetry low: Difference between the two solar voltages is too high.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0004 Regulator voltage 4Asymmetry high: Difference between the two boosted DC link voltages is too high.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0005 Regulator voltage 5The positively boosted DC link has dropped below the mains peak value.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0006 Regulator voltage 6The negatively boosted DC link has dropped below the mains peak value.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0007 Regulator voltage 7The positive solar voltage has dropped below the limit value.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0008 Regulator voltage 8The positive solar voltage is too high.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A0009 Regulator voltage 9The negative solar voltage has dropped below the limit value.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A000A Regulator voltage 10The negative solar voltage is too high.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A000B Regulator voltage 11The positively boosted DC link voltage is too high.Please Contact inverter service
Refusol0x0A000C Regulator voltage 12The negatively boosted DC link voltage is too high.If problem occurs once only: wait for the regulator to be come stable again. If problem occurs repeatedly: please Contact inverter service
Refusol0x0A000D Grid overvoltageA grid overvoltage has been detected.If the inverter is detecting a grid overvoltage: check line voltages (with a true RMS measurement device). If you consider the line voltages to be in order, Contact inverter service
Refusol0x0A000E Grid undervoltageGrid undervoltage has been detected. Grid voltage dip.As long as the inverter is detecting a grid undervoltage: check line voltages (with a true RMS measurement de vice). As long as you consider the line voltages to be in order, Contact inverter service
Refusol0x0A000F Grid overvlt. l2lGrid line to line overvoltage detectedAs long as the inverter is dEtecting a grid line to line over voltage: check the line to line voltages (with a true RMS measurement device). As long as you consider line to line voltages to be in order, Contact inverter service
Refusol0x0A0010 Grid undervlt. l2lGrid line to line undervoltage detectedAs long as the inverter is detecting a grid line to line undervoltage : check line to line voltages (with a true RMS measurement device). As long as you consider the line to line voltages to be in order, Contact inverter service
Refusol0x0A0011 Grid frequency FLLA grid error has been detected (FLL).Check grid frequency and grid instantaneous voltage. Service, if the grid frequency is within the normal range.
Refusol0x0A0012 OverfrequencyThe grid frequency has exceeded the limit value.As long as the inverter is detecting an overfrequency: check the frequency of the phases. As long as you consider the frequencies to be in order, Contact inverter service
Refusol0x0A0013 PM isolation RCD CRControl and regulation unit has detected residual current.Check system isolation. If you consider the system isolation to be in order, Contact inverter service
Refusol0x0A0014 No country codeNo country code has been set, or code invalid.Please Contact inverter service
Refusol0x0A0016 UnderfrequencyThe grid frequency has dropped below the limit value.As long as the inverter is detecting underfrequency: check the frequency of the phases. As long as you consider the frequencies to be in order, Contact inverter service
Refusol0x0A0017 Invalid countryInvalid country codePlease Contact inverter service
Refusol0x0A0018 Voltage error maxThe nominal grid voltage was below the limit value of the voltage average monitor for too long.As long as the inverter is detecting the voltage error max: monitor line voltages (analyse grid). As long as you consider the line voltages to be in order, Contact inverter service
Refusol0x0A0019 Voltage error minThe nominal grid voltage was above the limit value of the voltage average monitor for too long.As long as the inverter is detecting the voltage error min: monitor line voltages (analyse grid). As long as you consider the line voltages to be in order, Contact inverter service
Refusol0x0A0100 Fault message PSFault message from power sectionAdditional faults with the same time stamp are present. See fault memory.
Refusol0x0A0102 Overtemperature PS1Cooler overtemperature (right)Check temperature of direct surroundings and reduce this as required.
Refusol0x0A0103 Overtemperature PS2Interior overtemperature (left)Check temperature of direct surroundings and reduce this as required.
Refusol0x0A0104 Overtemperature PS3Interior overtemperature (right)Check temperature of direct surroundings and reduce this as required.
Refusol0x0A0105 Overtemperature PS4Cooler overtemperature (left)Check temperature of direct surroundings and reduce this as required.
Refusol0x0A0106 Supply voltage PSSupply voltage at the power section is too low.Please Contact inverter service
Refusol0x0A0108 Grid frequency PSPower section has detected under/overfrequency.As long as the inverter is detecting a PS grid frequency: check the frequency of the phases. As long as you consider the frequencies to be in order, Contact inverter service
Refusol0x0A0109 Grid overvoltage PSThe power section has detected a grid overvoltage.As long as the inverter is detecting a grid overvoltage: check line voltages (with a true RMS measurement device). As long as you consider the line voltages to be in order, Contact inverter service
Refusol0x0A010A Grid undervoltage PSThe power section has detected a grid undervoltage.As long as the inverter is de tecting a grid undervoltage: check line voltages (with a true RMS measurement device). As long as you consider the line voltages to be in order, Contact inverter service
Refusol0x0A010C PM isolation PSPower section detects isolation error on activation.Check system isolation. If you consider the isolation resistance to be in order, Contact inverter service
Refusol0x0A010D RCD faultThe power section has detected residual current. Isolation error during operation.Check system isolation. If you consider the isolation impedance to be in order, Contact inverter service
Refusol0x0A010E Device fault PSPower section hardware shutdownNote: When did the error occur (precisely: day, kW output,time).
Refusol0x0A0110 Solar voltage PS 1Power section overvoltage shutdown in positive DC linkDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0111 Solar voltage PS 2Power section overvoltage shutdown in negative DC linkDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0113 Country code PSCountry code does not correspond to country sub code.Please Contact inverter service
Refusol0x0A0114 PM isolation RCD PSThe isolation impedance of the photovoltaic module is too low.Check system isolation. If you consider the system isolation to be in order, Contact inverter service
Refusol0x0A0115 RCD warningThe power section has detected residual current during operation.Check system isolation. If you consider the system isolation to be in order, Contact inverter service
Refusol0x0A0116 R detectR detect failedPlease Contact inverter service
Refusol0x0A0117 Isolation test unitDC discharge is taking too long.Please Contact inverter service
Refusol0x0A0118 Voltage offset PSOffset adjustment values between power section and control and regulation unit divergentPlease Contact inverter service
Refusol0x0A0119 Current transdcr. PSCurrent transducer could not detect any current flow.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A011A Activation PS 1DC discharge is taking too long.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A011B Activation PS 2DC link voltage drop during activationDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A011C Activation PS 3Target value for balancing is invalid.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A011D Activation PS 4Balancing has failed.Please Contact inverter service
Refusol0x0A011E Activation PS 5Uploading of DC links has failed.Please Contact inverter service
Refusol0x0A011F Parameter error PS 5Faulty reading or writing process in power section memory1.) Switch off device with DC disconnector. 2.) Wait until the display has turned off completely. 3.) Switch on device with DC disconnector. If this does not rectify the error, Contact inverter service
Refusol0x0A0120 Communication PSCommunication malfunction between power section and control and regulation unitDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0121 DC componentThe DC component on the grid side is too high.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0130 PS elementsFaulty configuration of elements for the power sectionPlease Contact inverter service
Refusol0x0A0131 Array OvervoltageSwitching the combine relay has failed. Possible array overvoltage.Please Contact inverter service
Refusol0x0A0150 Overtemperature 2The temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0151 Overtemperature AC1The temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0152 Overtemperature AC2The temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0153 Overtemp., innerThe temperature has ex ceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0154 Overtemperature DC1The cooler temperature at the positive boost converter exceeds the limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0155 Overtemperature DC2The cooler temperature at the negative boost converter exceeds the limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0156 Overtemperature UThe temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0157 Overtemperature VThe temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0158 Overtemperature WThe temperature has exceeded the parametrised limit value.Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A0159 Fault fan 1Fault message from fan 1Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A015A Fault fan 2Fault message from fan 2Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A015B Fault fan 3Fault message from fan 3Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A015C Fault fan 4Fault message from fan 4Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A015D Fault fan 5Fault message from fan 5Check the inverter for heat build up or blockage of the cooler ribs and rectify as required. If this does not correct the problem, Contact inverter service
Refusol0x0A015E NTC wire breakCooler sensor has detected a wire break.Contact inverter service
Refusol0x0A015F NTC short circuitCooler sensor has detected a short circuit.Contact inverter service
Refusol0x0A0160 Preload errorError has occurred during preload.The DC +/ may be interchanged. Please check the DC wiring. If you consider the wiring to be in order, Contact inverter service
Refusol0x0A0161 Overcurrent BC pos.Hardware shutdown caused by overcurrent in the positive circuit of the boost converterDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0162 Overcurrent BC neg.Hardware shutdown caused by overcurrent in the negative circuit of the boost converterDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0163 Overcurrent U phaseHardware shutdown caused by U phase overcurrentDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0164 Overcurrent V phaseHardware shutdown caused by V phase overcurrentDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0165 Overcurrent W phaseHardware shutdown caused by W phase overcurrentDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0166 Overvolt. DC l. pos.Overvoltage has been detected in the positive DC link voltage.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0167 Overvolt. DC l. neg.Overvoltage has been detected in the negative DC link voltage.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0A0168 String errorInput current groups connected incorrectlyThe DC +/ may be interchanged. Please check the DC wiring. If you consider the wiring to be in order, Contact inverter service
Refusol0x0A0169 Iso wire breakIsolation sensor has a wire breakContact inverter service
Refusol0x0A016A Phase UnbalanceUnbalanced power delivery.Contact inverter service
Refusol0x0A016B Overcurrent string 1Overcurrent string 1Contact inverter service
Refusol0x0A016C Overcurrent string 2Overcurrent string 2Contact inverter service
Refusol0x0A016D Overcurrent string 3Overcurrent string 3Contact inverter service
Refusol0x0A016E Overcurrent string 4Overcurrent string 4Contact inverter service
Refusol0x0A016F Malfun. DC contactorDC contactor defectiveContact inverter service
Refusol0x0A0170 Malfun. AC contactorAC contactor defectiveContact inverter service
Refusol0x0A0171 Malfun. RCD sensorRCD sensor defectiveContact inverter service
Refusol0x0A0172 P24V PS aux. supplyP24V supply voltage at the power stack is too low.Please Contact inverter service
Refusol0x0A0173 P5V PS aux. supplyP5V supply voltage at the power stack is too low.Please Contact inverter service
Refusol0x0A0174 P15V PS aux. supplyP15V supply voltage at the power stack is too low.Please Contact inverter service
Refusol0x0A0175 Symmetry relaySymmetry relay errorPlease Contact inverter service
Refusol0x0A0176 Switch on conditionSwitch on condition is not fulfilledWait for the switch on condition.
Refusol0x0A0177 fan E1 E5Verify the fan E1 E5,remove any blockage,clear the fault or call service
Refusol0x0A200D Overtemperature 6Device temperature too highDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0B0001 System 1Error in error management systemContact inverter service
Refusol0x0B0002 System 2Error memory is full.Contact inverter service
Refusol0x0B0003 System 3Error acknowledgement has failed.Contact inverter service
Refusol0x0D0001 System errorA connection to the powersection could not be established during the firmware update.1.) Switch off device with DC disconnector. 2.) Wait until the display has turned off completely. 3.) Switch on device with DC disconnector. If this does not rectify the error, Contact inverter service
Refusol0x0D0002 PS bootloaderPower section bootloader faultyOne of the power section’s two bootloaders is faulty. This text is displayed for information purposes only. The inverter will continue to function. Please contact Service and arrange for a firmware update to be performed.
Refusol0x0D0003 System restartSystem has been restarted to enable a firmware update to be performed.This text is displayed for information purposes only. If an update is not performed, please Contact inverter service
Refusol0x0E0001 Overcurrent ph. L1 1Overcurrent phase L1A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0002 Overcurrent ph. L2 1Overcurrent phase L2A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0003 Overcurrent ph. L3 1Overcurrent phase L3A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0005 Overcurrent ph. L1 2Overcurrent phase L1A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0006 Overcurrent ph. L2 2Overcurrent phase L2A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0007 Overcurrent ph. L3 2Overcurrent phase L3A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0009 Overcurrent ph. L1 3Overcurrent phase L1A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E000A Overcurrent ph. L2 3Overcurrent phase L2A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E000B Overcurrent ph. L3 3Overcurrent phase L3A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E000D Phase temperaturesTemperature difference between the phase modules is too high.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0013 PreloadPreload cannot reach the preload voltage.The DC +/ may be interchanged. Please check the DC wiring. If you consider the wiring to be in order, Contact inverter service
Refusol0x0E0015 Preload protectionPreload protection cannot be switched.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0016 Main contactor DCDC contactor cannot be switched.Please Contact inverter service
Refusol0x0E0017 Main contactor ACAC contactor cannot be switched.Please Contact inverter service
Refusol0x0E0018 Overtemperature 4Overtemperature at microcontrollerDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0019 Grid voltage 2Nominal grid voltage is out side of the grid limits.Arrange for grid instantaneous voltage to be checked by an electrician if the error message remains active. If the grid instantaneous voltage is within the normal range, Contact inverter service
Refusol0x0E001A Solar cell voltage 1The measured DC link voltage of the power section is too high.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E001B Solar cell voltage 2The measured solar voltage of the power section is too high.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E001C Supply voltageFaulty supply voltage at the power sectionThis error typically occurs shortly before the element ‘goes to sleep’ or shortly after it ‘wakes up’. Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, contactinverter service
Refusol0x0E001D Overtemperature 5Overtemperature at controllerDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E001E Communication CRCommunication malfunction between control and regulation unit and power sectionDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E001F Parameter errorFaulty reading or writing process in power section memory1.) Switch off device with DC disconnector. 2.) Wait until the display has turned off completely. 3.) Switch on device with DC disconnector. If this does not rectify the error, Contact inverter service
Refusol0x0E0020 SystemFinite state machine installed incorrectly1.) Switch off device with DC disconnector. 2.) Wait until the display has turned off completely. 3.) Switch on device with DC disconnector. If this does not rectify the error, Contact inverter service
Refusol0x0E0021 Grid error MSDAn external MSD error is active at digital input X17 Pin1.Arrange for nominal grid voltage to be checked by an electrician if the error message remains active. If the nominal grid voltage is within the normal range, Contact inverter service
Refusol0x0E0022 AC switchAC switch has not been switched on.Switch on AC switch.
Refusol0x0E0023 Overtemperature 8Transformer too hotDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0024 Overcurrent DCAn overcurrent has occurred on the DC side.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0025 Overtemperature 7Overtemperature at powersectionDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0026 Transformer magnet.Transformer magnetisation has failed.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0027 DC current msrt.Faulty DC current measurementDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0028 Country of use inv.The country that has been entered does not exist.Please Contact inverter service
Refusol0x0E0029 Grid error 1The grid is experiencing an MSD error.Arrange for an electrician to check the grid instantaneous voltage and grid frequency. If you consider them to be in order, Contact inverter service
Refusol0x0E002A Power classesFaulty parametrisationPlease Contact inverter service
Refusol0x0E002B Isolation 1Isolation measurement has detected an isolation error before activation.Arrange for the system’s isolation to be checked by an electrician. If you consider the isolation to be in order, Contact inverter service
Refusol0x0E002C Isolation 2Isolation measurement has detected an isolation error during operation.Arrange for the system’s isolation to be checked by an electrician. If you consider the isolation to be in order, Contact inverter service
Refusol0x0E002D AC current msrt.Faulty AC current measurementA short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E002E Grid error 2Grid monitoring function has detected an error.Arrange for an electrician to check the grid instantaneous voltage and grid frequency. If you consider them to be in order, Contact inverter service
Refusol0x0E002F DC voltage 1The maximum deviation of the DC link voltages has been exceeded.Please Contact inverter service
Refusol0x0E0031 Lightning arresterLightning arrester defectivePlease Contact inverter service
Refusol0x0E0032 Grid error SVMThe control limit of the space vector modulation has been exceeded.Arrange for an electrician to check the grid instantaneous voltage and grid connection. If you consider them to be in order, Contact inverter service
Refusol0x0E0033 DC voltage 3DC link voltage too lowArrange for an electrician to check the solar voltage. If you consider it to be in order, Contact inverter service
Refusol0x0E0034 Error cooler pumpCooler pump is not functioning correctly.Please Contact inverter service
Refusol0x0E0035 Overcurrent 5Overcurrent has been detected.A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0036 Overcurrent 6Overcurrent has been detected.A short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0037 DC voltage 4The maximum deviation of the DC link voltages has been exceeded.Please Contact inverter service
Refusol0x0E0038 Grid errorGrid monitoring function has detected an error.Arrange for an electrician to check the grid instantaneous voltage and grid frequency. If you consider them to be in order, Contact inverter service
Refusol0x0E0039 OvertemperatureMains line choke cores are very hot as very little cooling air is available.Visual check: cooling circuit air supply. If the blockage cannot be rectified, Contact inverter service
Refusol0x0E0050 Overcurrent 1Overcurrent gridDo nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0051 Overcurrent 2Overcurrent power section 2Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0052 Overcurrent 3Overcurrent power section 1Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x0E0053 Overcurrent 4Overcurrent DCA short circuit may be present. Please arrange for an electrician to check this, or Contact inverter service
Refusol0x0E0100 Fault message PSFault message from powersectionAdditional faults with the same time stamp are present. See fault memory.
Refusol0x100001 Ethernet connectn. 1A connection to the ethernet could not be established.Inspect ethernet connection: check IP address, subnet mask, server address and server port.
Refusol0x100002 Ethernet connectn. 2Loss of ethernet connectionCheck ethernet connection.
Refusol0x100003 Ethernet connectn. 3No 100Mbit/s ethernet connection is available.A 100Mbit/s ethernet connection is required. Check that your network is transmitting at 100Mbit/s.
Refusol0x100004 DNS errorThe name resolution of the port address failed. However, the data was successfully transmitted.Correct the DNS server address for the inverter.
Refusol0x100010 Portal error 1General error in data transferContact inverter service
Refusol0x100011 Data logger error 1General error in data storage module.Contact inverter service
Refusol0x100012 Data logger error 2General error in data storage module.Contact inverter service
Refusol0x100013 Watchdog errorInternal protection function was triggered.Contact inverter service
Refusol0x100014 MMU memcpyInternal protection function was triggered.Contact inverter service
Refusol0x20002 DC voltage 2DC link voltage too high: The DC link voltage is above the max. limit.Check DC voltage.
Refusol0x20003 Anticlockws.rot.fld.The clockwise rotating field of the voltage supply is faulty.Create clockwise rotating field.
Refusol0x20004 OvercurrentThe mains current is above the max. AC current limit in one of the three phases.Do nothing. The inverter will acknowledge the error automatically. If problem occurs repeatedly, Contact inverter service
Refusol0x30002 Parameter error 1A defective parameter file was found when the special functions were initialised.repeatedly, Contact inverter service Please arrange for Service to perform an update.
Refusol0x30005 Parameter error 2No parameter file was found when the special functions were initialised.Please arrange for inverter service to perform an update.
Refusol0x30006 Parameter error 3The number of parameters does not correspond to the number of parameters in the file system.Please arrange for inverter service to perform an update.
Refusol0x40001 Internal communictn.Timeout between control and regulation unit card and power sectionIf problem occurs repeatedly, Contact inverter service
Refusol0x40010 System error 1Operating system crashIf problem occurs repeatedly, Contact inverter service
Refusol0x50000 System error 2Initialisation has failed.Restart inverter. If this does not rectify the error, Contact inverter service
Refusol0x60001 Incorrect timeInverter is feeding in with incorrect time as real time clock has not been initialised.Set correct time.
Refusol0x70000 Update registrationAn additional update could not be registered.Wait until the current update is complete.
Refusol0x70001 Update in progressAn update is already in progress.Wait until the update is complete.
Refusol0x80001 Incorrect timeInitialisation of real time clock has failed. This prevents data logger from functioning.Set correct time.
Refusol0x90001 System restartThe inverter has been restarted.This text is displayed for in formation purposes only.
Refusol0x90002 Program CRC errorChecksums do not correspond.Please arrange for inverter service to perform an update.
Refusol0x90003 CR watchdog resetSystem reset performed by watchdog.If problem occurs repeatedly, Contact inverter service
Refusol0x90004 RAM error 1RAM error detected in a safety critical variablePlease arrange for inverter service to perform an update.
Refusol0x90005 MMU exceptionProgram memory protection faultPlease arrange for inverter service to perform an update.
Refusol0xA10000 Default powerEvent: Power reduction was requested.None
Refusol0xA10001 Default cos phiEvent: Adjustment of the fed in reactive power was requested.None
Refusol0xA10002 Default p activationEvent: The power reduction functionality was activated or deactivated.None
Refusol0xA10003 Activation cos phiEvent: The functionality for specifying the reactive power default value was activated or deactivated.None
Refusol0xA20000 SCB comm. failureIndicates communication failure of a string connection box (SCB).Check whether all connected SCBs are operational (green)

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