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Diesel Generator Lead Acid Batteries General Precautions SECTION 9 – FAULT FINDING

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SECTION 9 – FAULT FINDING


9  Fault Finding

The following table shows some typical faults, their possible causes and remedies.

Table 9-1 Fault Finding

SYMPTOM

POSSIBLE FAULT

REMEDY

Battery   completely discharged

Poor battery terminal connection

Clean   connections, replace and tighten

Charge alternator / alternator connection fault

Check   alternator and connections

Mains battery charger /   charger connections fault / mains supply fault

Check battery   charger, charger mains supply and charger connections

Blown fuse

Replace fuse

Battery fault

Remove and check using specialist equipment

Battery low   charge

Poor battery   connection

Clean connections, replace and tighten

Charge alternator / alternator connection fault

Check   alternator and connections

Mains battery charger / charger connections fault

Check battery   charger and charger connections

Inequality in   cell charge

Boost (equalise) charge required.

Battery fault

Remove and check using specialist equipment

Battery   overcharged

Charge   alternator fault

Check charge   alternator

Mains battery   charger fault

Check mains   battery charger

Battery   terminals getting hot

Poor battery   connection

Clean   terminals, reconnect and tighten securely


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