FoxESS R100 - Page 27

26
Item
Fault Code
Statement
Solution
Customer Service for further assistance.
37
1123
Grid Relay Fault
Wait for the inverter to return to normal.
If the fault recurs, turn off the AC and DC side
switches, wait for 10 minutes, and then turn on the AC
and DC switches in turn to restart the inverter.
If the fault still exists, please contact FOXESS
Customer Service for further assistance.
38
1124
Insulation Resistance
Low Fault
Wait for the inverter to return to normal.
If the fault recurs:
1. Check whether the ISO impedance protection
value meets the local regulations through the APP.
2. Check whether the DC cable and ground contact
are good.
3. If the cable is normal and the fault occurs on a
cloudy or rainy day, check again when the weather
gets better.
39
1129
Inverting Open-loop
Self-test Fault
Wait for the inverter to return to normal.
If the fault recurs, turn off the AC and DC side
switches, wait for 10 minutes, and then turn on the AC
and DC switches in turn to restart the inverter.
If the fault still exists, please contact FOXESS
Customer Service for further assistance.
40
1145
Arc Fault
1. Disconnect the DC input, check whether there are
damaged cables, loose terminals or fuses, and burn
marks on components on the DC side.
2. Reconnect the DC input and clear the arc fault
through the APP to make the inverter return to
normal.
3. If the above reasons are excluded and the alarm
still exists, please contact FOXESS Customer
Service for further assistance.
41
1154
INV Overcurrent
Permanent Fault
Turn off the AC and DC side switches, wait for 10
minutes, and then turn on the AC and DC switches in
turn to restart the inverter.
If the fault still exists, please contact FOXESS
Customer Service for further assistance.
42
1157
Relay Permanent Fault
43
1160
Inverting Open-loop
Self-test Permanent
Fault
44
1172
Auxiliary Power Supply
Permanent Fault
45
1173
Internal Control
Diagnosis Permanent