DAELIM NS125DLX Service Manual page 156

Charging System/Battery
Troubleshooting
No power - key turned on
● Dead battery
- Low fluid level
- Low specific gravity
- Charging system failure
● Disconnected battery cable
● Main fuse burned out
● Faulty ignition switch
Low voltage - key turned on
● Weak battery
- Low fluid level
- Low specific gravity
- Charging system failure
● Loose battery connection
Low power - engine running
● Battery undercharged
-Low fluid level
- One or more dead cells
● Charging system failure
Intermittent power
● Loose battery connection
● Loose charging system connection
● Loose starting system connection
● Loose connection or short circuit in ignition system
Charging System Failure
● Loose, broken or shorted wire or connection
● Faulty voltage regulator
● Faulty rectifier
● Faulty alternator
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