Sungrow SG5KTL-MT User Manual page 70

9 Troubleshooting and Maintenance
D D e e s s c c r r i i p p t t i i o o n n
A A l l a a r r m m I I D D
088 Arc fault
089 AFCI function disabled
Gird protection self-
105
check failure
Grounding cable fault
106
116-117 Device abnormal
Smart Energy Meter
514
communication error
60
C C o o r r r r e e c c t t i i v v e e M M e e a a s s u u r r e e s s
1. Disconnect the DC inputs and check
whether DC cables are damaged, whether the
wiring terminals or fuses, if necessary, are
loose or in poor contact, and whether there is
PV module 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, and therefore the
inverter will recover.
3. If the alarm persists, contact SUNGROW.
1. Enable the AFCI function through the App,
and therefore the inverter will recover.
2. If the alarm persists, contact SUNGROW.
1. Restart the inverter or remove the fault
through the App.
2. If the alarm persists, contact SUNGROW.
1. Check whether the AC cable is correctly
connected.
2. Check whether the grounding cable and
wire cores are wrongly insulated.
3. If the alarm persists, contact SUNGROW.
1. Wait for the inverter to recover.
2. Disconnect the AC and DC switches or
circuit breakers, and connect them again after
15 minutes.
3. If the alarm persists, contact SUNGROW.
1. Check whether the Smart Energy Meter
communication cable and terminal are
abnormal. If so, remove the corresponding
abnormity.
2. Reconnect the Smart Energy Meterr
communication cable.
3. If the alarm persists, contact SUNGROW.
User Manual