550
Thermo King
Critical

Battery Charger Internal Overvoltage Fault

Overvoltage fault detected within the battery charger internal circuits.

Possible causes

  • Internal regulator circuit failure
  • Severe line transients
  • Damaged internal components

Recommended actions

  • Reset system and check if error persists
  • Check charger output with a multimeter
  • Replace charger module if fault is recurring

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