8. Troubleshooting
User Manual
Message Name
Information Description
Troubleshooting Suggestion
37
Relay-FAULT
(1035 DATA:0000)
DSP-B-Com-Fau
(1036 DATA:0000)
DCInj-FAULT
(1037 DATA:0000)
12Power-FAULT
(1038 DATA:0000)
ILeak-Check
(1039 DATA:0000)
UN-TEM
(103A DATA:0000)
AFCI-Check
(1040 DATA:0000)
ARC-FAULT
(1041 DATA:0000)
GRID-INTF02
(1046 DATA:0000)
IG-AD
(1047 DATA:0000)
IGBT-OV-I
(1048 DATA:0000)
Relay check fail
Comm. failure between
main and slave DSP
High DC injection current
12V power supply fault
Leakage current sensor
failure
Under Temperature
AFCI module self-detect
fault
Detect arc in DC circuit
Power grid disturbance 02
Grid current sampling fail
Over IGBT current
1. Restart the inverter
2. If it is still not resolved, contact the
factory's customer service.
1. Upgrade software to the latest version.
2. If the fault persists, please contact the
factory's customer service.
1. Check if the ambient temperature is too
low and restart the inverter. If it has not
been eliminated, contact the factory's
customer service.
1. Restart the inverter.
2. If it is still not resolved, contact the
factory's customer service.
1. Check for arc in the inverter connection
and restart the inverter.
1. Check if the grid side is not healthy.
2. Restart the inverter. If it is still not removed,
contact the factory's customer service.
1. Restart the inverter
2. If it is still not resolved, contact the
factory's customer service.
Table 8.1 Fault message and description
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