Alarm code309
The system’s battery test has failed, suggesting the battery may not be functioning properly. The manual lists no action for this code.
- Model
- KOPPEL K5305-1V1
- Display shows
- Battery Test Failure (309)
- Type
- Alarm code
- Source
- Manual p. 67
What 309 means
Battery Test Failure p. 67
If 309 is still not resolved
The manual gives no further instruction for this code. Open the code table in the PDF or contact KOPPEL service.
This page summarises what the manufacturer’s manual says about 309; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with KOPPEL. Found a mistake? Report an error.
