Pylontech PowerCube-M2 Operation Manual page 44

4 Turn on the BMS power
Switch. The Status LED shows
OK. But can't output power.
Turn on and turn off the
"POWER OUTPUT" Switch, it
has clear
switching sound inside of
BMS.
5 Turn on the BMS power
Switch. The Status LED shows
normal. But can't output
power.
Turn on and turn off the
"POWER OUTPUT" Switch, it
without clear mechanic
switching sound inside of
BMS.
6 Turn on the BMS. The Status
LED is flashing red.
7 Turn on the BMS. The Status
LED is lighting red. And the
buzzer is noising.
8 Turn on the BMS. The Status
LED shows normal. But the
output relay can't be
DC Output breaker is fault.
mechanic
Electrical operation for
breaker is fault.
Self-check can't pass.
 Output relay is non-
separable switching.
 The buzzer is failure；
 Output Relay Failure
alarm;
The control wire of output
relay is broken.
39
are fine or not.
Check the DC
breaker is fault or not. If it is
fault, change the control
module (BMS module).
Check the Electrical
operation for breaker is fault
or not. If it is fault, change
the control module (BMS
module).
If something is wrong, please
contact with seller or sells
agent.
 Check the output relay. If
fault find out the short
circuit reason. Change
the relay or the control
module (BMS module).
 Change the control
module (BMS module).
Check the wire of output
relay got loose or broken?
Fix it. Or change the control
output