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