E2Serious
Haier Oven/Range E2 Error Code
The oven has overheated due to a stuck relay or sensor failure.
Common causes
- Stuck relay on control board
- Shortened temperature sensor
- Control board failure
How to fix it
- Turn off oven and unplug.
- Wait for oven to cool.
- Test sensor resistance; replace if shorted.
- Inspect for burned components on control board.
⚠ When to call a pro: Always call a technician for E2 codes - potential fire hazard.
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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.