Rheem Water Heater Error Code 61: How to Fix It

Medium 30-60 minutes High Severity Verified June 2026
Error Code
61
Brand
Rheem
Product Type
water_heater
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code 61 on your Rheem water heater indicates the combustion fan motor is not rotating at the correct RPM, preventing proper air flow for safe combustion. This safety feature shuts down the unit to prevent dangerous gas buildup and requires immediate attention.
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Tools You'll Need

How to Fix Error Code 61

  1. Turn off power and gas supply

    Never attempt repairs with gas or electrical power still connected. Gas leaks and electrical shock are serious safety hazards.
  2. Access the combustion fan motor

    Allow unit to cool completely before touching any components. Internal parts may remain hot for hours after operation.
  3. Inspect fan blades for obstructions

  4. Check electrical connections

  5. Test fan motor rotation

  6. Clean the fan and housing

  7. Test the fan motor with multimeter

  8. Restore power and test operation

  9. Replace fan motor if necessary

    Motor replacement involves gas appliance components. If you're not experienced with gas appliance repair, contact a licensed technician.

Parts You May Need

Combustion fan motor assembly
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Wire nuts or electrical connectors
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Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
Combustion fan motor assembly
Check Price on Amazon
Wire nuts or electrical connectors
Check Price on Amazon
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When to Call a Professional

Contact a licensed gas appliance technician if the combustion fan motor needs replacement, if you detect gas odors at any time, if electrical wiring appears damaged, or if you're uncomfortable working with gas appliances. Also call a professional if the error persists after cleaning and basic troubleshooting.

Frequently Asked Questions

What causes Rheem error code 61 on water heaters?
Error code 61 is caused by the combustion fan motor not spinning at the correct RPM due to debris blockage, worn motor bearings, electrical connection issues, or a failed motor that needs replacement.
Is it safe to use my water heater with error code 61?
No, do not use the water heater with error code 61. This error indicates improper combustion air flow, which is a safety hazard that could lead to carbon monoxide production or gas buildup.
How much does it cost to replace a Rheem combustion fan motor?
A replacement combustion fan motor typically costs $150-$300 for the part, plus $100-$200 for professional installation. The total repair cost usually ranges from $250-$500 depending on your location and service provider.
Can I reset error code 61 on my Rheem water heater?
You can try resetting by turning off power for 30 seconds, but error code 61 will return unless the underlying fan motor issue is resolved. The error is a safety feature and requires actual repair, not just a reset.
How often should I clean my water heater's combustion fan?
Clean the combustion fan and surrounding area annually as part of routine maintenance. More frequent cleaning may be needed in dusty environments or homes with pets that shed heavily.