Trouble Shooting - Pylontech M1C-UL9540 User Manual

Integrated outdoor lithium iron phosphate battery energy storage system

Table of Contents

4.5.2 Trouble Shooting

Danger: The PowerCube-M1-C is a high voltage DC system, operated by qualified and

authorized person only.

Dange:

PowerCube-M1-C est un système à courant continu à haute tension, o p é r é

uniquement par le personnel qualifié et autorisé.

Danger: Before checking the failure, be sure check all the cables connection and the

BESS system can turn on normally or not.

Dange: Avant le contrôle de panne, il faut contrôler toutes les connexions des câbles et si le

système BESS peut s'allumer normalement ou non.

Section A Before starting u p .

Failure Mode

Battery system

doesn't start up

after correct wiring

connection and

start up procedure.

Possible Reason

Solution

1.Check the wiring connection and connectivity of the

Power cable

power cables.

issue.

2. Open BMS case, check the connectivity and reliability of

Internal cable

issue.

the internal power supply cable.

PMU issue.

output and CMU LEDs. If neither is on, please swap the PMU.

Other error.

4. If problem remain, contact Pylontech service engineer.

Open BMS case, use multimeter check PMU 12Vdc

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