Growatt MAX Series Installation & Operation Manual page 32

Warning Description
Warning 100 Fan abnormal
Warning 103 NTC Broken
DSP and COM firmware
Warning 104 version unmatch
Warning 105 Over Temperature
Warning 106 SPD abnormal
Warning 107 NE abnormal
Warning 108 PV Circuit short
Warning 109 PV boost driver broken
Warning 110 String abnormal
U disk overcurrent
Warning 111
protection
Countercurrent prevention or
Warning 112
Reactive power dispatching
failure alarm
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.
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Suggestion
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Check if the neutral and ground
cables are well connected and firm
Contact Growatt
Contact Growatt
Check if the polarity is `reversed or
short
Check if the USB port is connected
to a short circuit
Contact Growatt
Error Code Description
Error 101 Communication error
Sample of main DSP and
Error 102 slave DSP are inconsistent
Error 106 PV CurrSample Fault
Error 107 AC CurrSample Fault
Error 108 SPS Power Fault
Error 110 Current over limit
Error 112 AFCI Fault
Error 113 IGBT drive fault
Error 114 AFCI Module check fail
Error 117 Relay fault
N - PE fault detection
Error 120
(PV - ground machine)
Error 121 CPLD abnormal
Error 122 Bus Fault
Error 124 No AC connection
Error 125 PV isolation low
Error 126 Leakage current too high
Error 127 Output DC current too high
Error 128 PV voltage high
Error 129 Grid voltage fault
Error 130 Grid frequency fault
Suggestion
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Contact Growatt
Check if the mains connection/mains
voltage and frequency are correct
Check panel and line insulation to
ground is good
Contact Growatt
Contact Growatt
Check PV actual voltage
Check the actual voltage and wiring of
the grid
Check the actual frequency of the grid
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