Njoy PWUP-OL300AT-AZ01B User Manual page 22

5.7 Faults Reference Code
Fault code
01
02
03
04
11
12
13
14
27
28
41
43
22
Fault event
Bus start fail
Bus over
Bus under
Bus unbalance
Inverter soft start fail
Inverter voltage high
Inverter voltage Low
Inverter output short
Battery voltage too high
Battery voltage too low
Over temperature
Overload
Icon
X
X
X
X
X
X
X
X