Fujitsu · Waterstage SuperHP Heat Pumps
This signifies an error with the Intelligent Power Module (IPM) in the outdoor unit, a critical component for power management and control.
Click steps to track your progress.
Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.
Ensure the outdoor unit has adequate airflow and is not obstructed.
If the error persists, use the 'Reset HP' function (Line 6711) in the control system.
Contact a qualified service technician for IPM inspection or replacement.