57
58
DSP and COM firmware
version unmatch
Check if the neutral and ground
cables are well connected and firm
Check if the polarity is `reversed or
short
U disk overcurrent
protection
Check if the USB port is connected
to a short circuit
Notice：MAX series inverter has three external fans and one Internal fan.
If the suggestions do not work, please contact to Growatt.
9.2.2 Error
Errors codes identify a possible equipment failure, fault or incorrect inverter setting or
configuration, any or all attempts to correct or clear a fault must be performed by
qualified personnel.
Typically, the error code can be cleared once the cause or fault is removed.
Some of error code as table shows below, may indicate a fatal error and require you to
contact the supplier or Growatt for help.
Countercurrent prevention or
Reactive power dispatching
failure alarm
Sample of main DSP and
slave DSP are inconsistent
Output DC current too high
Check the actual frequency of the grid
Check if the mains connection/mains
voltage and frequency are correct
Check panel and line insulation to
ground is good
Check the actual voltage and wiring of
the grid
N - PE fault detection
(PV - ground machine)
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