Pylontech PowerCube-X1-V2 User Manual

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5. Maintenance
Danger: The PowerCube-X1/X2-V2 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 the BESS system can turn on normally or not.
5.1. Trouble Shooting
5.1.1. Before start up
Failure Mode
Possible
Reason
Solution
Battery
system DO
NOT start up
until
correct
wiring
connection
and start up
procedure
Power cable
issue
1.Check the wiring connection and
connectivity of the power cables.
Internal
cable issue
2. Open BMS case, check the
connectivity and reliability of the
internal power supply cable
PMU issue
3. Open BMS case, use multimeter check
PMU 12Vdc output and CMU LEDs. If
neither is on, please swap the PMU.
Other error
4. If problem remain, contact Pylontech
service engineer.
5.1.2. During operation
The ‘Failure Definition’ and ‘Failure Mode’ column is reference
from Pylontech Modbus protocol Appendix IV Error code 1 bit to
present.
Failure
Type
Failure
Definition
Possible Reason
Solution
Hardware
voltage
sensor
error
（Bit0）
1.Sensor cable
issue
2.Sensor
connection issue
3.BMU issue
1.Change the RED LED
module's BMU
2.Check the voltage sensor
cable connect between BMU
and battery pack of the
connectivity
3. Change the RED LED
module.
4.If problem remain,
contact Pylontech service
engineer.
Hardware
temperatur
e sensor
error
（Bit1）
1.Sensor cable
issue
2.Sensor
connection issue
1.Change the RED LED
module's BMU
2. Check the temp. sensor
cable connect between BMU
and battery pack of the
connectivity
3. Change the RED LED
module.
4.If problem remain,
contact Pylontech service

Pylontech PowerCube-X1-V2 Specifications

General

Brand	Pylontech
Model	PowerCube-X1-V2
Category	Storage
Language	English