Panasonic · Air Conditioner

Panasonic Air Conditioner F17 error code

Difficulty: Easy · Cost: $0–$150 · Duration: 30–60m

The F17 error means your Panasonic multi-split air conditioner detected a freezing abnormality in one or more indoor standby units. This indicates ice has formed on an indoor unit that is in standby mode. The most common cause is a dirty filter on the affected indoor unit. Cleaning the filters on all indoor units and ensuring airflow is unobstructed usually resolves the issue.

Common causes

Air filter on a standby indoor unit is dirty causing reduced airflow and ice formation
Airflow to a standby indoor unit is obstructed
Low refrigerant level affecting the standby unit

How to fix it

1

Turn off the system and clean the air filters on all indoor units
2

Check that nothing is blocking the air intake or outlet on any indoor unit
3

Allow any ice to fully melt before restarting the system
4

If F17 keeps returning contact a qualified technician to check the refrigerant level