Fronius Inverter Fault Codes


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#1xx Fronius inverter fault codes.

Description: The AC voltage is too high.

What to do: Contact your solar installer.

Description: The AC voltage is too low.

What to do: Contact your solar installer.

Description: The AC frequency is too high.

What to do: Contact your solar installer.

Description: The AC frequency is too low.

What to do: Contact your solar installer.

 

Description: The AC grid outside the allowed limits.

What to do: Contact your solar installer.

Description: Independent operation detected.

What to do: Contact your solar installer.

Description: A residual current monitoring unit (RCMU) error has occurred.

What to do: Contact your solar installer.

#3xx Fronius inverter fault codes.

Description: Excess AC current

What to do: This fault will fix itself, if the fault keeps showing, contact your solar installer.

Description: Excess DC current.

What to do: This fault will fix itself, if the fault keeps showing, contact your solar installer.

Description: DC module overheating.

What to do: This fault will fix itself, if the fault keeps showing, contact your solar installer.

Description: AC module overheating.

What to do: This fault will fix itself, if the fault keeps showing, contact your solar installer.

Description: Power is not being fed in, although the relay is closed.

What to do: This fault will fix itself, if the fault keeps showing, contact your solar installer.

Description: The PV output is too low to feed.

What to do: This fault will fix itself, if the fault keeps showing even when sufficient sunlight contact your solar installer.

NOTE: These codes are shown at morning and night because of the low levels of sunlight at these times.

Description: The PV output is too low to feed.

What to do: Contact your solar installer.

NOTE: These codes are shown at morning and night because of the low levels of sunlight at these times.

Description: The intermediate circuit voltage is too high.

What to do: This fault will fix itself, if the fault keeps showing contact your solar installer.

 

Description: The DC input voltage MPPT (maximum power point tracker) 1 is too high.

What to do: This fault will fix itself, if the fault keeps showing contact your solar installer.

 

Description:  The polarity of the DC strings reversed.

What to do:  The fault will fix itself, if the fault keeps showing, contact your solar installer.

Description:  The DC input voltage MPPT (maximum power point tracker) 2 is too high.

What to do:  The fault will fix itself, if the fault keeps showing, contact your solar installer.

Description:  Current sensor calibration timeout.

What to do:  The fault will fix itself, if the fault keeps showing, contact your solar installer.

Description:  AC current sensor error.

What to do: Contact your solar installer.

Description:  Interrupt check fail.

What to do: Contact your solar installer.

Description:  Connection area overheating.

What to do: Contact your solar installer.

Description:  Error with fan 1

What to do: Contact your solar installer.

Description:  Error with fan 2

What to do: Contact your solar installer.

#4xx Fronius inverter fault codes.

Description: Unable to communicate with the power stage set.

What to do: The inverter will attempt to connect, if unable to connect contact your solar installer.

 

Description: Temperature sensor for AC module is faulty (L1)

What to do: Contact your solar installer.

 

Description: Temperature sensor for AC module is faulty (L2)

What to do: Contact your solar installer.

Description: DC component measured in the grid is too high.

What to do: Contact your solar installer.

Description: Fixed voltage mode has selected instead of MPP voltage mode and the fixed voltage mode has been set at the wrong value.

What to do: If this code keeps showing contact your solar installer.

Description: Safety cut out has triggered via option card or RECERBO.

What to do: Contact your solar installer.

Description: Power stage set has no communication with control system.

What to do: Contact your solar installer.

Description: Hardware ID issue.

What to do: Update the inverter firmware.

Description: Unique ID issue.

What to do: Update the inverter firmware.

Description: Unable to communicate with hybrid manager.

What to do: Update the inverter firmware.

Description: HID range error.

What to do: Update the inverter firmware.

Description: Unable to communicate with power stage set.

What to do: Update the inverter firmware.

Description: Hardware fault.

What to do: Update the inverter firmware.

Description: Software fault.

What to do: Conduct an AC reset (switch the AC circuit breaker off and on); update the inverter firmware, if the fault code keeps showing contact your solar installer.

Description: Functional incompatibility.

What to do: Update the inverters firmware; if the fault keeps showing, contact your solar installer.

Description: Power stage fault.

What to do: Update the inverters firmware; if the fault keeps showing, contact your solar installer.

Description: Functional incompatability.

What to do: Update the inverters firmware; if the fault keeps showing, contact your solar installer.

Description: The intermediate circuit voltage is too low or asymmetric.

What to do: If the fault keeps showing, contact your solar installer.

Description: Compatibility fault – Invalid power stage set configuration.

What to do: Update the inverter firmware, if the fault keeps showing, contact your solar installer.

Description: Insulation problem.

What to do: If the fault keeps showing, contact your solar installer.

Description: The neutral conducted is not connected.

What to do: If the fault keeps showing, contact your solar installer.

Description: The guard can’t be found.

What to do: If the fault keeps showing, contact your solar installer.

Description: Memory fault detected.

What to do: If the fault keeps showing, contact your solar installer.

Description: Communication problem between processors.

What to do: If the fault keeps showing, contact your solar installer.

Description: Power stage set and grid voltage are not compatible.

What to do: If the fault keeps showing, contact your solar installer.

Description: Power stage set and grid frequency are not compatible.

What to do: If the fault keeps showing, contact your solar installer.

Description: Anti-islanding function is no longer implemented correctly.

What to do: If the fault keeps showing, contact your solar installer.

Description: The grid relay sticking or the neutral conductor ground voltage is too high.

What to do: Check grounding (neutral conductor ground voltage has to be less than 30V); If code keeps showing, contact your solar installer.

Description: Issues when recording the measuring signal.

What to do: Contact your solar installer

Description: Issues when recording the measuring signal for insulation test.

What to do: Contact your solar installer

Description: Reference voltage source for the DSP (digital signal processor) is working out of tolerance.

What to do: Contact your solar installer

Description: Error in the DSP (digital signal processor) data memory.

What to do: Contact your solar installer

Description: Fault with the DC feed monitoring routine.

What to do: Contact your solar installer

Description: Reversed AC polarity, The AC connector has been incorrectly inserted.

What to do: Contact your solar installer

Description: The RCMU sensor is faulty.

What to do: Contact your solar installer

Description: Insulation fault (The connection between the solar panel and the ground is faulty)

What to do: Contact your solar installer

Description: The driver supply voltage is too low.

What to do: Contact your solar installer

Description: Functional incompatibility (One or more PC boards in the inverter are not compatible together).

What to do: Update the inverters firmware, if the code keeps showing , contact your solar installer.

Description: The setup phase after the initial start-up was interrupted.

What to do: Conduct and AC reset (turn off the AC circuit breaker, and then back on) Complete the start-up.

Description: The voltage UDC fixed on MPP2 string is out of limits.

What to do: Check MPP settings, if this code keeps showing contact your solar installer.

Description: The CAN transmit buffer is full.

What to do: Conduct an AC reset (turn the AC circuit breaker off and then back on again) Contact your solar installer if this code persists.

#5xx Fronius inverter fault codes.

Description: Insulation fault on the solar panels.

What to do: If the code keeps showing, contact your solar installer.

Description: No energy has been fed into the grid in the last 24 hours.

What to do: Check for any other state code, if none, contact your solar installer.

Description: Unable to communicate with filter.

What to do: If the code keeps showing, contact your solar installer.

Description: Unable to communicate with storage unit.

What to do: If the code keeps showing, contact your solar installer.

Description: Overheating which is causing power derating.

What to do: Purge cooling air openings, the fault will fix itself; If the code keeps showing, contact your solar installer.

Description: Internal DSP fault.

What to do: If this code keeps showing, contact your solar installer.

Description: Unable to communicate with storage unit.

What to do: If this code keeps showing, contact your solar installer.

Description: No energy has been fed into the grid by MPPT1 in the past 24 hours.

What to do: If this code keeps showing, contact your solar installer.

Description: The DC is low in string 1.

What to do: If the code keeps showing, contact your solar  installer.

Description: The DC is low in string 2.

What to do: If the code keeps showing, contact your solar  installer.

Description: There is a functional incompatibility (one or more of the PC boards are not compatible).

What to do: Update the  inverters firmware; if this code keeps showing, contact your solar installer.

Description: The grid frequency has become excessively high which is causing derating.

What to do: This fault will fix itself, if the code keeps showing, contact your solar installer.

Description: There is a functional incompatibility (one or more of the PC boards are not compatible).

What to do: Update the  inverters firmware; if this code keeps showing, contact your solar installer.

Description: The arc detector has been deactivated.

What to do: Press enter (4th button from the left).

Description: The GVDPR (grid voltage depedent power reduction mode) is active and the inverter will operate with reduced power output.

What to do: If this code keeps showing, contact your solar installer.

#6xx Fronius inverter fault codes.

Description: The CAN bus is full.

What to do: Update your inverters firmware; If the code keeps showing, contact your solar installer.

Description: The AC module sensor is faulty.

What to do: If the code keeps showing, contact your solar installer.

Description: The DC module sensor is faulty.

What to do: If the code keeps showing, contact your solar installer.

Description: RCMU fault.

What to do: Press enter (4th button from your left); If the code keeps showing, contact your solar installer.

 

Description: There is a functional incompatibility (one or more of the PC board are not compatible).

What to do: Update your inverters firmware; If this code keeps showing, contact your solar installer.

 

#7xx Fronius inverter fault codes.

Description: Information about the internal processors status.

What to do: If the code keeps showing, contact your solar installer.

Description: EEPROM has been re-initialised.

What to do: If the code keeps showing, contact your solar installer.

Description: Information about the internal processors status.

What to do: If the code keeps showing, contact your solar installer.

Description: USB flash drive not supported.

What to do: Check the USB flash drive and the files, if necessary, replace.

Description: Initialisation error with USB flash drive.

What to do: Check the USB flash drive and the files, if necessary, replace.

Description: USB flash drive not connected.

What to do: Check the USB flash drive and the files, if necessary, replace; If the code keeps showing, contact your solar installer.

Description: Update file not recognised or missing.

What to do: Check the update file for issues; If the code keeps showing, contact your solar installer.

Description: Update file is too old or does not match the device.

What to do: Check the update file for issues, if necessary change file to match device; If the code keeps showing, contact your solar installer.

Description: Write or read error.

What to do: Check the USB flash drive and contents, replace if necessary; If the code keeps showing, contact your solar installer.

Description: Unable to open file.

What to do: Check the USB flash drive and contents, replace if necessary; If the code keeps showing, contact your solar installer.

Description: Unable to save log file.

What to do: Create space on USB flash drive;Check the USB flash drive and contents, replace if necessary; If the code keeps showing, contact your solar installer.

Description: Error in file system on USB flash drive.

What to do: Check the USB flash drive and contents, replace if necessary; If the code keeps showing, contact your solar installer.

Description: Error recording logging data.

What to do: Check the USB flash drive and contents, replace if necessary; If the code keeps showing, contact your solar installer.

Description: Error during update.

What to do: Try update again, check USB flash drive and  replace if necessary; If the code keeps showing, contact your solar installer.

Description: The update file is corrupt.

What to do: Downlaod update file retry update; If the code keeps showing, contact your solar installer.

Description: Error while updating.

What to do: Wait a few minues and try updating again; If the code keeps showing, contact your solar installer.

Description: Time lost.

What to do: Reset the time and date on the inverter; If the code keeps showing, contact your solar installer.

 

Description: Communication error with real time clock module.

What to do: Reset the time and date on the inverter; If the code keeps showing, contact your solar installer.

 

 

Description: The real time clock module is in emergency mode

What to do: Reset the time and date on the inverter; If the code keeps showing, contact your solar installer.

 

 

Description: Information about the processors status.

What to do: If the code keeps showing, contact your solar installer.

 

 

Description: Real time clock module hardware error.

What to do: If the code keeps showing, contact your solar installer.

 

 

Description: Real time clock module is in emergency mode.

What to do: Reset the time and date on your inverter.

Description: Internal hardware fault.

What to do: If this code keeps showing, contact your solar installer.

Description: Information about the internal processors status.

What to do: If this code keeps showing, contact your solar installer.

Description: Emergency power derating has triggered.

What to do: If this code keeps showing, contact your solar installer.

Description: Information about the internal processors status.

What to do: If this code keeps showing, contact your solar installer.

Description: There is contrasting power limitation in the hardware modules

What to do: If this code keeps showing, contact your solar installer.

Description: Storage unit unavailable.

What to do: If this code keeps showing, contact your solar installer.

Description: Invalid country setup.

What to do: If this code keeps showing, contact your solar installer.

Description: The PMC power stage set unavailable.

What to do: Press the enter key(4th button on your from left); If this code keeps showing, contact your solar installer.

Description: The device type is invalid.

What to do: Press the enter key(4th button on your from left); If this code keeps showing, contact your solar installer.

Description: Information about the internal processors status.

What to do: If this code keeps showing, contact your solar installer.