S.96 - Automatic test programme: Return temperature sensor

What does S.96 mean?

This status indicates that the boiler is running an internal automatic test program. During this test, the return temperature sensor is being checked, and heating demands are temporarily blocked.

• Routine internal test by the boiler.
• Verification of sensor functionality.
• System startup or self-check after certain events.

Click steps to track your progress.

1. 1

   Allow the boiler to complete its automatic test program. This is a normal diagnostic function.

2. 2

   Wait for the status code to clear and for normal operation to resume.

3. 3

   If the status persists or a fault code appears after the test, try pressing and holding the reset button for more than three seconds.