520
Thermo King
Warning
Check Battery Charger Output Power
Battery charger is not delivering expected output power for charging.
Possible causes
- Defective battery charger
- Loose or corroded output connections
- Blown DC output fuse
- Battery with shorted cells
Recommended actions
- Measure charger output voltage at terminals
- Clean and tighten battery terminals
- Verify DC charging fuse
- Perform battery load test
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