Troubleshooting Guide; Failure During Charging - Hitachi UC 9SD Technical Data And Service Manual

(CAUTION) Measurement of insulation resistance and the dielectric strength test must be conducted
between the plug blade and the nameplate or fastening screws on the case, and between the
plug blade and the charging terminal blade. Under no circumstances should tests be
conducted between both blades of the plug, or both blades of the charging terminal, which
may cause burnout of the Charger.

9. TROUBLESHOOTING GUIDE

9-1. Failure During Charging

Failure
Pilot Lamp on, Charger does
not go on.
Pilot Lamp on, Charger does
not go off.
Abnormal heat is generated.
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To Failure Mode (A)
To Failure Mode (B)
To Failure Mode (C)