00051
Carrier Transicold
Warning

Alternator (Battery Charger) Not Charging

The alternator is not charging the unit's battery while the engine is running.

Possible causes

  • Loose or broken alternator belt
  • Defective alternator
  • Loose or sulfated battery cables
  • Blown charging circuit fuse

Recommended actions

  • Adjust or replace engine belt
  • Measure alternator output voltage
  • Clean and tighten battery terminals
  • Verify alternator signal wire integrity

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