F5Warning
Haier Oven/Range F5 Error Code
The control panel keypad or touch interface is not communicating properly.
Common causes
- Stuck or faulty keypad membrane
- Loose ribbon cable to control board
- Control board failure
How to fix it
- Unplug the oven.
- Remove the control panel and check ribbon cable connection.
- Reconnect ribbon cable securely.
- If stuck key, clean keypad contacts with isopropyl alcohol.
⚠ When to call a pro: If cleaning and reseating do not work, replace keypad or control board.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.