Maintenance; Trouble Shooting - Pylontech PowerCube-M1 Operation Manual

5.

Maintenance

5.1 Trouble Shooting:

Danger: The PowerCube-M1 is a high voltage DC system, operated by qualified and authorized
person only.
Danger: Before check the failure, must check all the cables connection and setting of ADD
Switches are right or not (refer to chapter 3), and the BESS system can turn on normally or
not.
No Problem
1 Turn on the BMS. The Status
LED is lighting red. But all
battery modules' status LED
is lighting green.
Turn on the BMS. The BMS's
Status LED is lighting red and
2 some the battery module's
status LED is lighting green
but some is lighting red.
3 After turn on the BMS power
Switch, the BMS still can't
turn on.
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
Possible Reason
 This battery string is under
protection. It is possible
Over Current or Failure
Protection.
 Communication
failure;
 Battery String is reversed
connection.
This battery string is under
protection. It is possible Over
Current, Over Voltage, Low
Voltage, Over Temperature,
Low Temperature or Failure
Protection.
 External Power Supply or
internal DC/DC module is
abnormal;
 Power cable is broken;
DC Output breaker is fault.
mechanic
Electrical operation for
21 / 32
Solution
 Through the monitor or
maintenance
check the battery cell,
battery module has alarm
cables or not.
 Check
Communication Cables;
 Reversed connection is
serious danger!
Use the
maintenance
check the
battery module has alarm or
not.
 Check the external Power
Supply is normal nor not.
Has it enough power for
the system
because of setting of UPS.
 Check all
cables and connections
are fine or not.
Check the
breaker is fault or not. If it is
fault, change the control
module (BMS module).
Check the Electrical
software
the
monitor or
software to
battery cell,
devices
the power
DC output
19PIMV0802