DOCR-070645-E
Page 86 of 102
2. Contact after-sales service personnel if the error
persists
TempOver
(Over-temperature
protection)
1.Confirm that external ambient temperature is within
the specified range of operating temperature;
2.Check whether air inlet is blocked;
3.Check whether fan is blocked;
4.Check whether the location of installation is
appropriate or not;
5.Observe for 30 minutes and see whether the alarm
will be eliminated automatically;
6.Contact after-sales service personnel
Protect0180
(The sampling offset
of DCI)
1. If the inverter can start up, then recalibrate.
2. Contact after-sales service personnel if the error
persists.
Protect0170
(DCI high)
1. Contact after-sales service personnel if the error
persists
IsolationErr
(Insulation resistance
low)
Check wires of PV and ground:
1.Turn OFF AC switch to disconnect inverter from Grid.
2.Open fuse holders to de-couple PV strings from each
other. Test strings with string test set.
3.Add one PV string at a time, and start up inverter to
see if alarm occurs.
4.If there is no alarm, turn OFF AC switch to disconnect
from Grid and add in the next string. Start the inverter
again.
5. Continue until you can find the string that triggers the
alarm. Trace wirings of faulted string to find any leakage
to Earth Ground.
6. Contact after-sales service personnel if the error
persists.
GFCIErr
(leakage current
high)
Check wires of PV and ground:
1.Turn OFF AC switch to disconnect inverter from Grid.
2.Open fuse holders to de-couple PV strings from each
other. Test strings with string test set
3.Add one PV string at a time, and start up inverter to
see if alarm occurs.
4.If there is no alarm, turn OFF AC switch to disconnect
from Grid and add in the next string. Startup inverter
again.
5. Continue until you can find the string that triggers the
alarm. Trace wiring of faulted string to find any leakage
to Earth Ground.
Protect0150
1. Restart inverter by recycle both AC and DC switches.
