the control module (BMS
module).
Open the Power Relay Switch,
but the relay can’t be open.
The main control board is
failure.
The wire of the output
relay, or the wire of the
power relay switch in the
BMS is broken
Change the control
module (BMS module).
Check the wire got loose
or broken? Fix it. Or the
control module (BMS
module).
Turn on the BMS. The Status LED
is flashing red.
If something is wrong, please
contact with seller or sells
agent.
Turn on the BMS. The Status LED
is lighting red. And the buzzer is
noising.
Output relay is non-
separable switching,.
The buzzer is failure;
Output relay False alarm;
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).
Turn on the BMS. The Status LED
shows normal. But the output
relay can’t be actuation.
The wire of the output relay
or the wire of the power
relay switch in the BMS is
broken.
Power Relay Switch is open;
Check the wire got loose
or broken? Fix it. Or
change the control
module (BMS module).
Close the Power Relay
Switch.
Turn on the BMS. The one and
the following of the battery
module’s Status LED lighting red
or not lighting.
This battery module has
failure;
Its communication cable
failure;
Its Address Distribution
failure.
Change this battery module;
Check the communication
cable;
Check by professional stuff.
Single Cell is over voltage/ low
voltage.
(Check through the monitor or
maintenance software.)
Cell voltage sampling
failure.
Cell failure;
Check the wires of cell
sampling module;
Change this battery module.
Battery module shows the
temperature is -40℃.
(Check through the monitor or
maintenance software.)
The wires of temperature
sampling failure.
Check the wires of temperature
sampling module. Or change
this battery module.
Cell failure or electrical board
failure.
Can’t find out failure point or
can’t check. Please contact
with distributor or Pylontech.