Alarms & Diagnostics

Turning BMS alarms into a diagnosis instead of a phone call.

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Turning BMS alarms into a diagnosis instead of a phone call.

Reading alarm codes in practice

Most codes reduce to voltage, temperature, current or communication — check which one fired first.

Escalation and what to log

Log the code, the state of charge, the temperature and what the load was doing.

Charging & BMS questions

Short answers to the ones that come up most.

Charger for lithium?

A lithium-profile charger matching voltage and BMS protocol.

What does a BMS protect?

Over/under voltage, over-current, short circuit, temperature, balancing.

Charge voltage?

3.45–3.65V per cell.

Below freezing?

No charging without heating.

Compatibility check?

Voltage, current and protocol.

Back to Charging & BMS · All Redway guides

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