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FRONIUS SYMO FAULT CODES

fronius primo fault codes

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Fronius Symo 3.0 – 8.2 Inverter Fault Codes

STATE CODE ISSUE CAUSE SOLUTION
1000 RECERBO Watchdog Triggered Occurs once Automatic correction
102 AC voltage too high Mains voltage error Check main voltage and frequency on the AC clamps
103 AC voltage too low Mains voltage error Check main voltage and frequency on the AC clamps
105 AC frequency too high Mains frequency error Check mains frequency at the inverter AC clamps
1050 Event Input Queue Full – Task Is Waiting Occurs once Automatic correction
1051 Event USB Output Queue Full Occurs once Automatic correction
1052 Event LN Output Queue Full Occurs once Automatic correction
1054 Event Input Queue Full – Message rejected Occurs once Automatic correction
106 AC frequency too low Mains frequency error Check mains frequency at the inverter AC clamps
107 No AC grid detected Mains not connected Check mains voltage and cable connection on the inverter clamps
108 Islanding detected Islanding detected Automatic correction (restart inverter – AC/DC disconnect and reconnect)
112 Residual Current Detected Mains disturbances have been detected (e.g. ripple control signal) Automatic correction (restart inverter – AC/DC disconnect and reconnect)
1201 Power Stage Protocol Task Timeout Occurs once Automatic correction
1202 Display Task Timeout Occurs once Automatic correction
1203 Interface Communication Task Timeout Occurs once Automatic correction
1204 Solar Net Task Timeout Occurs once Automatic correction
1205 USB Task Timeout Occurs once Automatic correction
1206 Event Task Timeout Occurs once Automatic correction
1207 Idle Task Timeout Occurs once Automatic correction
1208 Real Time Clock Task Timeout Occurs once Automatic correction
1209 Control Task Timeout Occurs once Automatic correction
1210 CAN Task Timeout Occurs once Automatic correction
1211 Local Serial Data Exchange Task Timeout Occurs once Automatic correction
141 Change of mains frequency too high Mains frequency error Check mains frequency at the inverter AC clamps
301 Overcurrent AC Voltage drop on the public mains Automatic correction (restart inverter – AC/DC disconnect and reconnect)
302 Overcurrent DC Bad cable connection on DC clamps Check the cable connection inside DC cabinet, on the inverter clamps and check the fastening screws to the wall bracket
303 Channel 1 Overtemperature Ambient temperature too high Check inverter location
304 Channel 2 Overtemperature Ambient temperature too high Check inverter location
305 Intermediate circuit voltage too low Unbalanced public power grid (high DC ratio in the AC)  causes different energy amounts taken from the upper and the lower intermediate circuit -> unbalanced intermediate circuit Check main voltage and frequency on the AC clamps
306 Power Low DC breaker open Close DC breaker
307 DC voltage too low DC breaker open Close DC breaker
308 Intermediate circuit voltage too high Voltage drop on the public mains Automatic correction (restart inverter – AC/DC disconnect and reconnect)
309 DC1 Input Overvoltage PV-Generator voltage too high at MPP 1 Check PV configuration and  DC voltage at MPP 1
311 DC Poles Reversed Poles are reversed at least at one string Check DC Polarity, Reverse Poles
312 Ambient temperature too low Ambient temperature too low Check inverter location, wait for higher ambient temperatur
313 DC2 Input Overvoltage PV-Generator voltage too high at MPP 2 Check PV configuration and  DC voltage at MPP 2
314 Start-up process interrupted (AC or DC failure) Internal Software fault Automatic correction (restart inverter – AC/DC disconnect and reconnect)
315 AC Current Sensor Error Shunt offset to high Automatic correction (restart inverter – AC/DC disconnect and reconnect)
316 Filter Software Timing Error Possible software error Run latest software update
317 Unbalanced Intermediate Voltage Short circuit of intermediate circuit Automatic correction
318 DC Reverse Current detected Reverse current detected Automatic correction
324 Channel 3 Overtemperature Ambient temperature too high Check inverter location
325 Channel 4 Overtemperature Ambient temperature too high Check inverter location
401 Power Stack Communication Error Communication error Restart the inverter – AC/DC disconnect and reconnect
406 Error temperature sensor on DC board Old Software Run latest software update
407 Error temperature sensor on AC board Old Software Run latest software update
408 Too high DC-voltage injection measured in public power grid Temporary disruption with the grid Wait until inverter starts automatically
4095 EEPROM failure Occurs once Automatic correction
412 DC1 Fix Voltage Out Of Range DC1 fix voltage was adjusted too high or too low Check DC1 fix voltage adjustments in the Installer Menu Basic
415 Wired Shutdown Triggered Option card tripped an external shutdown Automatic correction
416 RECERBO – Power Stack Communication Error Occurs once – communication error Automatic correction
417 Hardware-ID Collision Occurs once – communication error Automatic correction
425 Data Exchange Timeout Occurs once – communication error Automatic correction
426 Intermediate Circuit Loading Timeout Too less DC Power Wait for more DC Power
427 Power Stack Ready Timeout Occurs once – communication error Automatic correction (restart inverter – AC/DC disconnect and reconnect)
4294967294 R&D Internal State Code DOES NOT OCCUR DOES NOT OCCUR
4294967295 DOES NOT OCCUR DOES NOT OCCUR DOES NOT OCCUR
431 Power Stack In Bootmode Power stack will be programmed by the RECERBO automatically Automatic correction (restart inverter – AC/DC disconnect and reconnect)
436 Invalid Bitmap Received Power stack can’t communicate with the RECERBO board Run latest software update
437 Power Stack Event Handling Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
445 Invalid parameters detected Country setup error Run latest software update and reload country setup.
447 Isolation Error PV system grounding error; Inverter ground is missing or grouding cable broken Check PV system including grounding
448 No Neutral Wire No neutral wire detected Check AC-wiring
450 Guard Controller – Communication Error Ribbon cable between Filter board and the Power Stack is faulty or not connected properly Check ribbon cables between Filter board and Power Stack
451 Memory Check Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
452 Power Stack – Filter Communication Error Communication Problem caused by temporary enviromental disturbances (grid, EMC, …) Automatic correction (restart inverter – AC/DC disconnect and reconnect)
453 Internal AC voltage deviation Occurs once – Grid disturbances Automatic correction (restart inverter – AC/DC disconnect and reconnect)
454 AC frequency deviation Occurs once – Grid disturbances Automatic correction (restart inverter – AC/DC disconnect and reconnect)
456 Guard Controller – Anti Islanding Selftest Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
457 Grid Relay Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
458 Residual Current Monitoring Unit (RCMU) Error Software error Run latest software update
459 Guard Controller – Isolation Selftest Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
460 Power Stack / Filter Print Reference Voltage Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
461 RAM Error / Collective Fault Occurs once Automatically correction (restart inverter – AC/DC disconnect and reconnect)
462 Guard Controller – DC injection into grid detected Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
463 AC Poles reversed Measuring circuit defect Replace SYMOFIL board
474 Residual Current Sensor defect Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
475 Isolation Error Occurs once Automatically correction (restart inverter – AC/DC disconnect and reconnect)
476 Power Stack Supply Missing Internal power supply defect Replace SYMOFIL or SYMOPS board
479 Intermediate Circuit Relay Switched Off Bistable Relay changed state during transport Automatic correction
480 Incompatible feature Old Software Run latest software update
481 Not supported feature Old Software Run latest software update
482 Installation wizard aborted Start-up process not successful Restart the inverter
483 DC-Fix voltage out of range Start-up process not successful / Fix voltage was adjusted too high or too low Restart inverter / check adjustments in the Insttaller Menu Basic
484 CAN transfer timeout Communication Problem caused by temporary enviromental disturbances (grid, EMC, …) Automatic correction (restart inverter – AC/DC disconnect and reconnect)
485 CAN transmit buffer full Communication Problem caused by temporary enviromental disturbances (grid, EMC, …) Automatic correction (restart inverter – AC/DC disconnect and reconnect)
489 Permanent Intermediate Circuit Capacitor Overvoltage Intermediate circuit capacitor overvoltage protection tripped Confirm State Code with Enter button
502 Warning – Isolation value too low Hardware defect Replace device
509 No Feed In For 24 Hours Too less power from the PV system Check output power of the PV system (Voltage level, …)
516 Power Stack EEPROM Error Occurs once – communication error Automatic correction (restart inverter – AC/DC disconnect and reconnect)
517 Power derating due to overtemperature Ventilation opening blocked Clean ventilation openings
519 Filter Board – EEPROM Error Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
520 MPP Tracker #1 – No Feed In For 24 Hours Too less power at MPP Tracker #1 to feed in Check output power of the PV system which is plugged on MPP Tracker #1 (Voltage level, …)
521 MPP Tracker #2 – No Feed In For 24 Hours Too less power at MPP Tracker #2 to feed in Check output power of the PV system which is plugged on MPP Tracker #2 (Voltage level, …)
522 DC1 Input Voltage too low DC1 Input Voltage too low Check PV voltage
523 DC2 Input Voltage too low DC2 Input Voltage too low Check PV voltage
545 Configuration not supported Software incompatible Run latest software update and reload country setup.
558 Incompatible Power Stack Software Old Software Run latest software update
559 RECERBO software version incompatible Old Software Run latest software update
560 Power Derating Due To High Grid Frequency Too high grid frequency Automatic correction
565 Arc Fault Cicruit Interrupter SD Card Error [US only] SD card not plugged correctly Insert SD card correctly
566 Arc Fault Cicruit Interrupter Deactivated Warning [US only] Arc Fault Circuit Interrupter (AFCI) has been deactivated, no protection against occuring arcs For information only (occurs daily because of standard requirements)
567 Grid Voltage Dependent Power Derating Too high grid voltage Automatic correction
568 Multifunction current interface Warning An external custom device (Overvoltage Protection) performs a signal state change Check the external signal or the input signal configuration
571 Software State Inconsistency Occurs once Automatic correction (restart inverter – AC/DC disconnect and reconnect)
572 Power Limit Invalid The device data unit contains a wrong power limit Check device data unit at the RECERBO -> interchanged!?
573 Undertemperature Dependent Power Derating Derating because ambient temperature is too low Wait for higher ambient temperature
574 CAN Stack Warning Too much traffic at the CAN bus Automatic correction (restart inverter – AC/DC disconnect and reconnect)
579 Developer Warning Software error Run latest software update
581 Special Purpose Utility (SPUI) Mode Active Setup MG50 or MG60 selected Just for information – push enter; if wrong choose a different country setup
601 CAN Bus Full Occurs once Restart the inverter
602 Blocked By Italy Autotest Autotest (Countrysetup:IT) not successfully finished Setup Italy: Restart Autotest (Code 11111) until  the test is successful
607 RCMU Continous Fault A residual current was detected Disconnect inverter from DC and reconnect
608 Power Stack Software Incompatibility Software incompatibility between the board in the inverter Run latest software update
609 Configuration Value Out Of  Limits Configuration limits are outside of the limits in the RECERBO software Run latest software update
610 CAN-Init failed Old Software Run latest software update
614 Active Event List Full More than 15 State Codes occur at the same time Informative State Code; check Info Menu / Power Stage State
615 RAM-Check – Invalid Bit Found Old Software Run latest software update
668 External I/O Error Device that is connected has opened or closed Check the device that is connected (e.g. surge arrester)
701 Solar Net – Node Type Out Of Range Wrong Solar Net number Insert Solar Net number again
702 Solar Net  – Receive Buffer Full Problems with Solar Net Check Solar Net ring
703 Solar Net – Send Buffer Full Problems with Solar Net ring Check Solar Net ring
705 Solar Net – Node Type Conflict Selected Fronius Solar Net number is already in use Change Solar Net number, must be unique
706 CapKey – Get Version Failed Occurs once – communication error Automatic correction
707 CapKey – Update Failed Occurs once – communication error Automatic correction
708 CapKey – Reserved 1 Reserved – for future use Reserved – for future use
709 CapKey – Reserved 2 Reserved – for future use Reserved – for future use
710 Solar Net – Keep Alive Signal Missing no Solar Net connection check Solar Net status at inverter
711 EEPROM Write  – Wrong Data Length Software error Run latest software update
712 EEPROM Write – Descriptor Not Found Occurs once – communication error Automatic correction
713 EEPROM Read – Descriptor Not Found Occurs once – communication error Automatic correction
714 EEPROM Read Warning – CRC Header Fail Will Retry Occurs once – communication error Automatic correction
715 EEPROM Read Error – Other error Occurs once – communication error Automatic correction
716 Event Log EEPROM Drive Error Software error Run latest software update
721 EEPROM – Reinitialized Occurs once – communication error Automatic correction
722 EEPROM – Wait Busy Timeout Occurs once – communication error Automatic correction
723 EEPROM Write – Verify Fail Will Retry Occurs once – communication error Automatic correction
724 EEPROM Write – Other Error Occurs once – communication error Automatic correction
725 EEPROM Read – CRC Data Fail Give It Up Occurs once – communication error Automatic correction
726 EEPROM Read – CRC Data Fail Give It Up Occurs once – communication error Automatic correction
727 EEPROM Check Data Warning – All Data Corrupt Occurs once – communication error Automatic correction
730 EEPROM Check Data – Data Restored Occurs once – communication error Automatic correction
731 USB flash drive initializing error USB flash drive Read/Write protected Remove Read/Write protection
732 USB flash drive overcurrent USB flash drive ineligible due to too high current Use another USB flash drive
733 No USB flash drive inserted No USB flash drive inserted Insert USB flash drive
734 No software update found on USB flash drive Software update has wrong format or naming Name software update correctly (correct : Froxxxxx.upd, xx…. continuously number)
735 No supported software update found on USB flash drive Old orDefective Software update on the USB flash drive Load latest Software update onto the USB flash drive
736 USB flash drive flash drive Read/Write error Incorrectly formatted USB flash drive (NTFS) Format USB flash drive (FAT32)
737 Software update can not be read from the USB flash drive Software error Load latest Software update onto the USB flash drive
738 Log-File can’t be created on the USB flash drive USB flash drive secured with a password Delete password protection
740 USB flash drive enumeration error Incorrectly formatted USB flash drive (NTFS) Format USB flash drive (FAT32)
741 USB flash drive logging write error Memory on USB flash drive full Delete data from USB flash drive
743 Software update failed Unplugged USB flash drive during Software update Reconnect USB flash drive and start software update again
745 Software update checksum wrong Software error Download and install latest Software update
746 Product Matrix Code (PMC) read error during software update Some Boards haven’t started completely yet Wait until the inverter have started and start Software update again
751 Real Time Clock – Time Lost Inverter had no AC connection for longer than 5 days Set time and date
752 Real Time Clock – Hardware Error Occurs once – communication error Automatic correction
754 Real Time Clock –  Time Set Time / date has been set Informative State Code
755 EEPROM Data Written Data save process been successfull Informative State Code
757 Real Time Clock – Hardware Error Defective real time clock module Replace RECERBO board
758 Real Time Clock – Emergency Mode Occurs once – communication error Automatic correction
760 System Crystal Broken Occurs once – communication error Automatic correction
761 Device Data Unit Memory Read Error Device data unit is missing at the RECERBO Fix Device data unit board on RECERBO
762 Plugged Device Data Unit Read Error Plug connection problem Check each plug connection in the inverter
765 Random Number Generator Error Occurs once – communication error Automatic correction (restart inverter – AC/DC disconnect and reconnect)
766 Power Limit Not Found Plug connection problem Check each plug connection in the inverter
767 Power Limiter Communication Error Occurs once – communication error Automatic correction (restart inverter – AC/DC disconnect and reconnect)
768 Power Limit Not Identical Attached Device Data Unit is being connected or disconnected during feeding in operation Automatic correction (State Code must be confirmed)
772 Memory Not Available Attached Device Data Unit is being connected or disconnected during feeding in operation / Device Data Unit missing Connect Device Data Unit again and restart the inverter
773 Update Group Zero No storage print is beeing connected to the RECERBO Connect Device Data Unit again and restart the inverter
775 Power Stack Product Matrix Code Invalid Product Matrix Code can’t be read out Automatic correction (restart inverter – AC/DC disconnect and reconnect)
777 CAN Error Message Source Problem at any CAN node Informative State Code
778 CAN Error Message State Code Problem at any CAN node Informative State Code
779 CAN Node Error Reporting Problem at any CAN node Informative State Code
782 Update Flash – CRC Error Occurs once – communication error Automatic correction
783 Update Flash – Header CRC Error Occurs once – communication error Automatic correction
784 Update Flash – Timeout Occurs once – communication error Automatic correction
785 Update Flash – Read Value (Value Not Found) Problems during Software update Restart Software update
787 Update Flash – Read Value (Setup Not Found) Unable to find a setup Run latest software update
789 Update Flash – Read Value (Header CRC Error) Wrong/defect data in flash Run latest software update
792 Update Flash – Find Header (Header Not Found) Software update failed Restart Software update
794 Update Flash – Find Header (Header Address Impossible) Wrong/defect data in flash Run latest software update
795 CPLD Update successful CPLD Update successful Informative State Code; NOTE: FIRMWARE UPDATE necessary
796 CPLD Update failed CPLD Update failed run CPLD Update again
797 CPLD Update incompatible CPLD Update incompatible run CPLD Update again

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