PowerOak PS1 - System Failure Diagnosing

Page 10 of 13
PS 1 U
SER MANUAL
Kanaaldijk Noord 111 | 5642 JA | Eindhoven | Nederland
©2018 PowerOak B.V. Netherlands
➢ System Failure Diagnosing
Failure
code
Cause
Solution
E01
Over Temperature
Protection
Check that the ambient temperature is not
higher than 45°C.
E02
Battery pack Over Voltage
Protection
Disconnect the charger and restart the
unit.
E03
Battery Damage Protection
Contact PowerOak.
E10
Too low temperature when
discharging
The temperature of the battery is too low.
Increase battery temperature.
E11
Battery Low Voltage
Protection
Please charge immediately. Fully charge
unit then restart.
E12
Inverter Over Current
Protection
Check if the AC output overloaded or short-
circuited.
E13
Inverter Over Load
Protection
Check if the AC output overload, please
refer to the technical spec for overload
ability.
E14
Inverter Short - Circuit
Protection
Check if the AC output overloaded or short-
circuited.
E16
Charging Over Voltage
Protection
Check if the input voltage exceeds the
maximum value.
E17
Too low temperature when
charging
The temperature of the battery is too low.
Increase battery temperature to charge.
E21
12V 10A Output Over
Current Protection
Check if the output overloaded or short-
circuited.
E22
12V 10A Output Over Load
Protection
Check if the output overload.