Battery Maintenance - Pylontech PowerCube-M1-C Operation Manual

5.2.3.3 Install the new MBMS inside. And reconnect the cables. Refer to chapter 3.5.
5.2.3.4 Turn on this MBMS. Refer to chapter 3.6.
Caution: Before pull out the communication cables must mark the cable number, to
avoid cable wrong sequence.
Avant de débrancher les câbles de communication, vous devez marquer leurs
numéros afin d'éviter toute séquence incorrecte.

5.3 Battery Maintenance

Danger: The maintenance of battery must done by qualified and authorized person
only.
La maintenance de la batterie doit être effectuée uniquement par le personnel
qualifié et autorisé.
Danger: Some maintenance items must shut off at first.
Certains items de maintenance doivent être arrêtés en premier.
5.3.1 Voltage Inspection:
[Periodical Maintenance] Check the voltage of battery system through the monitor system.
Check the system abnormal voltage or not. For example: Single cell's voltage is abnormal high or
low.
5.3.2 SOC Inspection:
[Periodical Maintenance] Check the SOC of battery system through the monitor system. Check
the battery string abnormal SOC or not.
5.3.3 Cables Inspection:
[Periodical Maintenance] Visual inspect all the cables of battery system. Check the cables has
broken, aging, getting loose or not.
5.3.4 Balancing:
[Periodical Maintenance] The battery strings will become unbalance if long time not be full
charged. Proposal: every 3 month should do the balancing maintenance (charge to full).
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