LOW BACKUP BATTERY

UnclassifiedElectrical

What This Code Means

Low Backup Battery message on the screen

Possible Causes

  • •Backup battery needs to be replaced

Suggested Actions

  1. 1Disconnect power to the controller before installing or replacing the battery
  2. 2Obtain replacement battery GM47057 from the manufacturer
  3. 3Do not use a standard AA battery
  4. 4Do not use a metal tool to remove or install the battery
  5. 5Follow the polarity (+/--) markings on the circuit board when installing the battery
  6. 6Set the controller's current time and date after installing the battery

ASK RUDY ABOUT THIS FAULT

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

GET THE ANSWER

Free account required — we'll bring your question with you.