Sungrow SG125HV-30, Руководство пользователя

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User Manual 8 Troubleshooting and Maintenance
67
Fault
code
Description Check method
088 Electric arc fault
1. Disconnect the DC inputs and check
whether DC cables are damaged, whether
the wiring terminals or fuses are loose or in
poor contact, and whether component parts
are burnt. If so, take corresponding corrective
measures.
2. After taking corresponding measures in
step 1, reconnect the DC inputs. Remove the
arc fault through the APP or LCD screen so
that the inverter will recover to be normal.
3. If the fault is not caused by the foregoing
reasons and still exists, contact Sungrow
Service.
089
Electric arc
detection disabled
1. Enable the AFD function through the
APP or the LCD screen so that the inverter
will recover to be normal.
2. If the fault is not caused by the foregoing
reasons and still exists, contact Sungrow
Service.
105
Protection self-
check failure on
grid side
Restart the inverter or clear the fault through
the App.
If the fault still exists, contact Sungrow
Service.
106
Grounding cable
fault
1. Check whether the AC cable is correctly
connected.
2. Check whether the insulation between the
ground cable and the live wire is normal.
3. If the fault is not caused by the foregoing
reasons and still exists, contact Sungrow
Service.
116-117 Device anomaly
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and
reconnect the AC and DC switches 15
minutes later to restart the inverter.
If the fault still exists, contact Sungrow
Service.