All-in-one solar charge inverter V11 35
6.2 Fault code meaning
Fault code
Fault name
Whether it
affects the
output or not
Description
【
01
】
BatVoltLow
Yes
Battery undervoltage alarm
【
02
】
BatOverCurrSw
Yes
Battery discharge average current
overcurrent software protection
【
03
】
BatOpen
Yes
Battery not-connected alarm
【
04
】
BatLowEod
Yes
Battery undervoltage stop discharge alarm
【
05
】
BatOverCurrHw
Yes
Battery overcurrent hardware protection
【
06
】
BatOverVolt
Yes
Charging overvoltage protection
【
07
】
BusOverVoltHw
Yes
Bus overvoltage hardware protection
【
08
】
BusOverVoltSw
Yes
Bus overvoltage software protection
【
09
】
PvVoltHigh
No
PV overvoltage protection
【
10
】
PvBuckOCSw
No
Buck overcurrent software protection
【
11
】
PvBuckOCHw
No
Buck overcurrent hardware protection
【
12
】
bLineLoss
No
Mains power down
【
13
】
OverloadBypass
Yes
Bypass overload protection
【
14
】
OverloadInverter
Yes
Inverter overload protection
【
15
】
AcOverCurrHw
Yes
Inverter overcurrent hardware protection
【
17
】
InvShort
Yes
Inverter short circuit protection
【
19
】
OverTemperMppt
No
Buck heat sink over temperature protection
【
20
】
OverTemperInv
Yes
Inverter heat sink over temperature
protection
【
21
】
FanFail
Yes
Fan failure
【
22
】
EEPROM
Yes
Memory failure
【
23
】
ModelNumErr
Yes
Model setting error
【
26
】
RlyShort
Yes
Inverted AC Output Backfills to Bypass AC
Input
【
29
】
BusVoltLow
Yes
Internal battery boost circuit failure