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Fronius fault codes

Fronius Galvo 208-240 (1.5-1 to 3.1-1)

CodeShown asClassProductionClearsReportsPage
102AC voltage too high fault stops by itself Grid overvoltage
103AC voltage too low by itself Grid undervoltage
105AC frequency too high stops by itself Grid overfrequency
106AC frequency too low stops by itself Grid underfrequency
107AC grid outside of tolerances stops by itself Grid loss
108Stand alone operation detected stops by itself Islanding detected
212Overvoltage at L1-N stops by itself Grid overvoltage
213Undervoltage at L1-N Grid undervoltage
222Overvoltage at L2-N Grid overvoltage
223Undervoltage at L2-N Grid undervoltage
240Arc detected
241Arc detected fault stops after a manual reset
242Arc detected fault stops after a manual reset
245Arc detector self test failed fault stops after a manual reset Self-test failure
247Arc detector current sensor defective fault stops
249Arc detector defective
301Over-current (AC) fault stops by itself AC overcurrent
302Over-current (DC) DC overcurrent
303Power stage set over temperature fault stops by itself Inverter overtemperature
304Interior temperature too high Inverter overtemperature
306 stops by itself Insufficient DC input power
307 informational by itself DC undervoltage
308Intermediate circuit overvoltage fault stops by itself DC bus overvoltage
309DC input voltage too high fault by itself DC overvoltage
401No internal communication with power stage set. fault stops by itself Internal communication failure
406Power stage set temperature sensor defective fault
407Internal temperature sensor defective
408DC feed-in detected High DC injection
412 Configuration error
415 fault stops Inverter shutdown
416 fault stops by itself Internal communication failure
425 Internal communication failure
445Limit value setting not permitted fault stops Hardware component incompatibility, Configuration error
448Neutral conductor not connected fault Abnormal neutral line
452Communication problem between processors fault by itself Internal communication failure
453Brief grid voltage error fault Grid voltage out of range
454Brief grid frequency error Grid frequency out of range
457Grid relay stuck fault stops needs service Switching device status fault
459Error receiving measuring signal for the insulation test Measurement signal error
460 Reference voltage out of tolerance
472Fuse for solar module ground is defective fault stops needs service
475 fault stops Ground fault alarm or trip
482Commissioning is not complete fault stops after a manual reset Configuration error
502Insulation error on the solar modules warning unaffected Low insulation resistance
509No feed-in within the last 24 hours warning after a manual reset Extended no feed-in period
517Power derating due to excessive temperature warning reduced by itself Inverter overtemperature, Inverter power derating
551Fuse for solar module ground is defective warning needs service
558 Hardware component incompatibility
560Power derating due to over-frequency reduced by itself Grid overfrequency
566 informational unaffected after a manual reset Arc detection disabled
705 Configuration error
721EEPROM was reinitialized or EEPROM defective warning after a manual reset Internal memory error
731 warning Unsupported removable storage drive
732Overcurrent at USB thumb drive USB port overcurrent
733No USB thumb drive inserted warning Removable drive not detected
734 warning Firmware update failure
735 warning Firmware update failure
736Write or read error occurred warning Data storage failure
738 warning Data storage failure
743Error occurred during the update warning Firmware update failure
745Update file defective warning Firmware update failure
751Time lost warning System clock time lost
752Real Time Clock module communication error Internal communication failure
757Hardware error in the Real Time Clock module fault stops needs service
758 unaffected Inaccurate clock time
766 fault reduced to 750 W Inverter power derating

Fronius Primo 208-240 (3.8-1 to 15.0-1)

CodeShown asClassProductionClearsReportsPage
102AC voltage too high fault stops by itself Grid overvoltage
103AC voltage too low by itself Grid undervoltage
105AC frequency too high stops by itself Grid overfrequency
106AC frequency too low stops by itself Grid underfrequency
107No AC grid detected stops by itself Grid loss
108Stand-alone operation detected stops by itself Islanding detected
112RCMU error
301Overcurrent (AC) fault stops by itself AC overcurrent
302Overcurrent (DC) DC overcurrent
303Overtemperature power module fault stops by itself Inverter overtemperature
401No internal communication with power stage set fault stops by itself Internal communication failure
406Defective temperature sensor of power stage set fault
407Interior temperature sensor defective
408Direct current feed-in detected High DC injection
412 Configuration error
415Safety cut-out triggered by option card or RECERBO fault stops Inverter shutdown
416No communication between power module and control unit fault stops by itself Internal communication failure
417ID problem with hardware fault stops by itself Hardware component incompatibility
419Unique ID conflict
421Error HID range
425Communication with the power module is not possible Internal communication failure
426-428Possible hardware defect Internal device fault
431Software problem fault stops after a manual reset Internal device fault
436 fault by itself Hardware component incompatibility
437Power module problem fault
438 fault by itself Hardware component incompatibility
443Intermediate circuit voltage too low or unsymmetrical fault stops DC bus undervoltage
445Limit value settings not permissible fault stops Hardware component incompatibility, Configuration error
447Insulation fault fault stops Low insulation resistance
448Neutral conductor not connected fault Abnormal neutral line
450No guard found fault
451Memory error detected fault by itself Data storage failure
452Communication error between processors fault by itself Internal communication failure
453Short-term mains voltage error fault Grid voltage out of range
454Short-term mains frequency error Grid frequency out of range
456Anti-islanding function has stopped running properly Anti-islanding function malfunction
457Grid relay stuck fault stops needs service Switching device status fault
459Error during measuring signal detection for insulation test Measurement signal error
460 Reference voltage out of tolerance
461Error in DSP data memory Internal memory error
462Error in DC feed-in monitoring routine DC injection monitoring error
463AC polarity reversed, AC connector plugged in incorrectly AC polarity reversed
474RCMU sensor faulty fault stops
475 fault stops Ground fault alarm or trip
476Supply voltage for driver too low fault Driver supply undervoltage
479Intermediate circuit voltage relay switched off fault by itself DC link fault
480 fault stops Hardware component incompatibility
481 fault stops Hardware component incompatibility
482Commissioning not complete fault stops after a manual reset Configuration error
483 fault stops Configuration error
485CAN transmission buffer is full fault stops after a manual reset Internal communication failure
489 fault stops DC bus overvoltage
502Insulation fault on solar modules warning unaffected Low insulation resistance
509No feed-in within the last 24 hours warning after a manual reset Extended no feed-in period
515Communication with filter not possible warning unaffected Internal communication failure
516Communication with memory unit not possible warning unaffected Internal communication failure
517Power derating due to excessive temperature warning reduced by itself Inverter overtemperature, Inverter power derating
522DC low String 1 warning unaffected after a manual reset DC undervoltage
523DC low String 2 unaffected DC undervoltage
558 Hardware component incompatibility
560Power derating due to over-frequency reduced by itself Grid overfrequency
566 informational unaffected after a manual reset Arc detection disabled
705 Configuration error
721EEPROM was reinitialized or EEPROM defective warning after a manual reset Internal memory error
731 warning Unsupported removable storage drive
732Overcurrent at USB thumb drive USB port overcurrent
733No USB thumb drive inserted warning Removable drive not detected
734 warning Firmware update failure
735 warning Firmware update failure
736Write or read error occurred warning Data storage failure
738 warning Data storage failure
743Error occurred during the update warning Firmware update failure
745Update file defective warning Firmware update failure
751Time lost warning System clock time lost
752Real Time Clock module communication error Internal communication failure
757Hardware error in the Real Time Clock module fault stops needs service
758 unaffected Inaccurate clock time
766 fault reduced to 750 W Inverter power derating

Fronius Symo UL (10.0-3 to 24.0-3 208-240/480)

CodeShown asClassProductionClearsReportsPage
102AC voltage too high fault stops by itself Grid overvoltage
103AC voltage too low by itself Grid undervoltage
105AC frequency too high stops by itself Grid overfrequency
106AC frequency too low stops by itself Grid underfrequency
107No AC grid detected stops by itself Grid loss
108Stand-alone operation detected stops by itself Islanding detected
112RCMU error
212Overvoltage on L1 stops by itself Grid overvoltage
213Undervoltage on L1 Grid undervoltage
222Overvoltage on L2 Grid overvoltage
223Undervoltage on L2 Grid undervoltage
232Overvoltage on L3 Grid overvoltage
233Undervoltage on L3 Grid undervoltage
240Arc detected
241Arc detected fault stops after a manual reset
242Arc detected fault stops after a manual reset
245Arc Detector self-test failed fault stops after a manual reset Self-test failure
247Arc Detector current sensor faulty fault stops
249Arc Detector faulty
301Overcurrent (AC) fault stops by itself AC overcurrent
302Overcurrent (DC) DC overcurrent
303Overtemperature DC module fault stops by itself Inverter overtemperature
304Overtemperature AC module Inverter overtemperature
305No feed-in despite closed relay fault stops by itself
306 stops by itself Insufficient DC input power
307 informational by itself DC undervoltage
308Intermediate circuit voltage too high fault stops by itself DC bus overvoltage
309DC input voltage MPPT1 too high fault by itself DC overvoltage
311DC strings polarity reversed fault by itself Reverse polarity
313DC input voltage MPPT2 too high fault by itself DC overvoltage
314Timeout current sensor calibration fault stops by itself Current sensor calibration timeout
315AC current sensor fault fault by itself
316InterruptCheck fail
325Overtemperature in connection area fault by itself Inverter overtemperature
326Fan 1 error fault by itself Fan fault alarm
327Fan 2 error fault by itself Fan fault alarm
401Communication with power module is not possible fault stops by itself Internal communication failure
406AC module temperature sensor faulty (L1) fault
407AC module temperature sensor faulty (L2)
408 High DC injection
412 Configuration error
415Safety cut-out triggered by option card or RECERBO fault stops Inverter shutdown
416No communication between power module and control unit fault stops by itself Internal communication failure
417ID problem with hardware fault stops by itself Hardware component incompatibility
419Unique ID conflict
420Communication with Hybridmanager is not possible Communication loss
421Error HID range
425Communication with the power module is not possible Internal communication failure
426-428Possible hardware defect Internal device fault
431Software problem fault stops after a manual reset Internal device fault
436 fault by itself Hardware component incompatibility
437Power module problem fault
438 fault by itself Hardware component incompatibility
443Intermediate circuit voltage too low or unsymmetrical fault stops DC bus undervoltage
445 fault stops Hardware component incompatibility, Configuration error
447Insulation fault fault stops Low insulation resistance
448Neutral conductor not connected fault Abnormal neutral line
450No guard found fault
451Memory error detected fault by itself Data storage failure
452Communication error between processors fault by itself Internal communication failure
453Grid voltage and power module do not match fault Grid voltage out of range
454Grid frequency and power module do not match Grid frequency out of range
456Anti-islanding function has stopped running properly Anti-islanding function malfunction
457Grid voltage relay error fault stops needs service Switching device status fault
458Error during measuring signal detection fault stops Measurement signal error
459Error during measuring signal detection for insulation test Measurement signal error
460 Reference voltage out of tolerance
461Error in DSP data memory Internal memory error
462Error in DC feed-in monitoring routine DC injection monitoring error
463AC polarity reversed, AC connector plugged in incorrectly AC polarity reversed
474RCMU sensor faulty fault stops
475Insulation error (connection between solar module and grounding) fault stops Ground fault alarm or trip
476Supply voltage for driver too low fault Driver supply undervoltage
479Intermediate circuit voltage relay switched off fault by itself DC link fault
480 fault stops Hardware component incompatibility
481 fault stops Hardware component incompatibility
482Setup interrupted after initial commissioning fault stops after a manual reset Configuration error
483 fault stops Configuration error
485CAN transmission buffer is full fault stops after a manual reset Internal communication failure
489 fault stops DC bus overvoltage
502Insulation fault on solar modules warning unaffected Low insulation resistance
509No feed-in within the last 24 hours warning after a manual reset Extended no feed-in period
515Communication with filter not possible warning unaffected Internal communication failure
516Communication with memory unit not possible warning unaffected Internal communication failure
517Power derating due to excessive temperature warning reduced by itself Inverter overtemperature, Inverter power derating
518Internal DSP malfunction warning unaffected Internal device fault
519Communication with memory unit not possible warning unaffected after a manual reset Internal communication failure
520 warning after a manual reset Extended no feed-in period
522DC low String 1 warning unaffected after a manual reset DC undervoltage
523DC low String 2 unaffected DC undervoltage
558 Hardware component incompatibility
559 warning Hardware component incompatibility
560Power derating due to over-frequency reduced by itself Grid overfrequency
564 warning Hardware component incompatibility
566 informational unaffected after a manual reset Arc detection disabled
568Incorrect input signal at the multifunctional power interface warning after a manual reset Invalid external input signal
572Power limitation due to power module reduced Inverter power derating
573Undertemperature warning warning unaffected after a manual reset Inverter undertemperature
581Setup "Special Purpose Utility-Interactive" (SPUI) is activated informational after a manual reset Anti-islanding protection disabled
601CAN bus is full fault stops Internal communication failure
603AC module temperature sensor faulty (L3) fault stops by itself
604DC module temperature sensor faulty
607RCMU fault fault stops after a manual reset
608 fault stops Hardware component incompatibility
701-704Provides information about the internal processor status warning
705 Configuration error
706-716Provides information about the internal processor status warning
721EEPROM was reinitialized warning after a manual reset Internal memory error
722-730Provides information about the internal processor status warning
731 warning Unsupported removable storage drive
732Initialization error – overcurrent at USB flash drive USB port overcurrent
733No USB flash drive inserted warning Removable drive not detected
734 warning Firmware update failure
735 warning Firmware update failure
736Write or read error occurred warning Data storage failure
737File could not be opened warning Data storage failure
738 warning Data storage failure
740 warning Data storage failure
741Error when recording logging data warning Data storage failure
743Error occurred during the update warning Firmware update failure
745Update file defective warning Firmware update failure
746Error occurred during the update warning Firmware update failure
751Time lost warning System clock time lost
752Real Time Clock module communication error Internal communication failure
753 unaffected Inaccurate clock time
754-755Provides information about the internal processor status warning
757Hardware error in the Real Time Clock module fault stops needs service
758 unaffected Inaccurate clock time
760Internal hardware error fault Internal device fault
761-765Provides information about the internal processor status warning
766 fault reduced to 750 W Inverter power derating
767Provides information about the internal processor status warning
768Power limit different in the hardware modules Configuration error
772Memory unit unavailable Internal memory error
773Software update group 0 (invalid country setup) Configuration error
775PMC power stage set unavailable warning after a manual reset
776Invalid device type
781-794Provides information about the internal processor status warning

Codes are sorted by vendor prefix and number. Each row links to the code's record; concepts link to their reading rule.