Fujitsu · Waterstage Heat Pumps
The display shows a bell symbol, indicating that an error has occurred in the heat pump system. This is a general error message that requires further investigation by a technician.
Click steps to track your progress.
Press the info button to check for more specific error details if available on the display.
Try resetting the heat pump by briefly turning off and on the main power supply (e.g., at the circuit breaker).
If the bell symbol persists, contact your heating technician for diagnosis and repair.