F37Serious
Haier Oven/Range F37 Error Code
The oven temperature sensor is reading an excessively high temperature, indicating oven too hot.
Common causes
- Oven temperature runaway due to stuck relay
- Faulty temperature sensor (reading low but actual high)
- Control board failure
How to fix it
- Turn off oven immediately and unplug.
- Allow oven to cool completely.
- Test oven temperature sensor resistance; compare to temperature.
- If sensor is good, the control board likely has a stuck relay.
⚠ When to call a pro: Always call a technician for F37, as it involves safety relays. Do not use oven.
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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.