Fujitsu · Air Conditioners
The red LED flashes eight times and the green LED flashes four times on the indoor unit. This indicates an error in the Power Factor Correction (PFC) circuit, which helps ensure efficient power usage.
Click steps to track your progress.
Turn off the air conditioner at the circuit breaker for at least 30 seconds.
Check for any other appliances drawing excessive power on the same circuit.
Restore power and attempt to operate the unit.
A persistent PFC circuit error requires inspection and repair by a qualified electrical or HVAC technician.