Whirlpool Washer - F36 Error Code
Heater relay failure.
Meaning
Heater relay failure.
The F36 error indicates that the washer’s heater relay on the central control unit (CCU) is not functioning correctly. The heater relay controls power to the heating element during hot and sanitize cycles. If the relay is stuck open, stuck closed, or fails to energize, the washer triggers F36. This error is often caused by relay wear, board damage, or overheating.
Symptoms
Causes
Step-by-Step Fixes
- Inspect the CCU for signs of heat damage.
- Test the heating element for proper resistance.
- Replace the CCU if the relay is faulty.
Safety Notes
- Disconnect power before accessing the CCU or heater.
Applicable Models
Show Models
- GHW9150PW
- GHW9400PW
Related Pages
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- Whirlpool Washer F5 Error Code
- Whirlpool Washer F51 Error Code
- Whirlpool Washer F52 Error Code
- Whirlpool Washer F54 Error Code
- Whirlpool Washer F6 E3 Error Code
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- Whirlpool Washer F72 Error Code
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- Whirlpool Washer F83 Error Code
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Model-Specific Notes
On Duet models, the heater relay is a known weak point and often fails due to prolonged high‑temperature cycles.
Disclaimer
The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.