BATTERY BACKUP LOW

UnclassifiedElectrical

What This Code Means

Transfer switch controller battery voltage is low

Possible Causes

  • •Low backup battery voltage
  • •Low controller backup battery voltage
  • •Transfer switch controller battery voltage is low

Suggested Actions

  1. 1Battery needs to be replaced
  2. 2Replace the battery on the main logic board
  3. 3Replace the controller battery

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Get a diagnosis walkthrough for BATTERY BACKUP LOW on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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