Fujitsu · Waterstage SuperHP Heat Pumps
The user interface displays '10: Outdoor sensor', indicating an issue with the outdoor temperature sensor (Location: BX4 (X84)). This error typically triggers an automatic reset.
Click steps to track your progress.
Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.
Inspect the outdoor sensor for any physical damage or clear any obstructions around it.
Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.
Contact a qualified service technician to inspect or replace the outdoor sensor.