Maintenance&Trouble Shooting
44
Type of Fault Code
Name
Description
Recommend Solution
System Fault
AC Fault
• Power off, then restart (Ref. Chapter8).
• If those faults occurs continuously and
frequently, please ask help for local
distributors.
F25
F21
F22
F23
F24
DcInjOverVoltFault
UpsOverVoltFault
UpsUnderVoltFault
UpsOverFreqFault
UpsUnderFreqFault
Sampling hardware
abnormal
• Power off, then restart (Ref. Chapter8).
• If those faults occurs continuously and
frequently, please ask help for local
distributors.
G01
G02
G03
G04
G05
G06
G07
G08
G09
G10
G11
G12
G13
G14
G15
G16
G17
G18
G19
G20
G21
G22
G23
G24
PV1CurAdChanFault
PV2CurAdChanFault
PV3CurAdChanFault
PV4CurAdChanFault
PV5CurAdChanFault
PV6CurAdChanFault
PV7CurAdChanFault
PV8CurAdChanFault
PV9CurAdChanFault
PV10CurAdChanFault
PV11CurAdChanFault
PV12CurAdChanFault
BDCCurrAdChanFault
TransCurAdChanFault
BalBrigCurAdChanFault
RInvCurAdChanFault
SInvCurAdChanFault
TInvCurAdChanFault
RInvDciAdChanFault
SInvDciAdChanFault
TInvDciAdChanFault
LeakCurAdChanFault
VoltRefAdChanFault
UpsRCurAdChanFault
Off-grid DC injection
voltage over
Off-grid output voltage over
or under
Off-grid output frequency
over or under