mypros+
Error code reference

Bradford White Water Heater Error Code 61

Combustion fan failure

Bradford White codesBradford White water heater codes

Combustion fan failure - fan motor not operating correctly.

First step from the service manual

Ensure fan motor will turn freely. Motor will operate with a small amount of restriction. Check wiring harness to motor for damaged and/or loose connections. Check resistance on motor winding.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for 61.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What 61 means on a Bradford White water heater

Error code 61 on a Bradford White water heater indicates a combustion fan failure, meaning the fan motor is not operating correctly. The combustion fan is a critical component in power-vent and direct-vent water heaters. It draws air into the combustion chamber and expels exhaust gases through the vent system. The control board monitors fan operation and will lock out burner ignition if it detects that the fan is not functioning within expected parameters.

The most common causes of this fault fall into two categories: mechanical restrictions and electrical failures. On the mechanical side, the fan wheel or motor shaft may be obstructed by debris, corrosion, or a seized bearing, preventing the motor from turning freely. A technician should manually attempt to spin the fan to check for resistance beyond normal friction. On the electrical side, the motor winding itself may have failed, or the wiring harness connecting the control board to the motor may have a damaged wire, corroded terminal, or loose connector that disrupts the signal or power supply.

Diagnosis should begin by confirming the fan motor spins freely by hand with only minimal resistance. Next, inspect the entire wiring harness between the control board and the fan motor for signs of heat damage, fraying, or loose connections. Finally, use a multimeter to check resistance across the motor windings. A reading significantly outside the motor's specified resistance range indicates an internal motor failure requiring replacement.

Source: manufacturer service documentation.

Common causes of 61

  1. 01

    Fan motor mechanical obstruction

    Wiring / connection

    Debris, corrosion, or a seized bearing can prevent the fan from spinning freely. Manually rotating the fan blade by hand should reveal any restriction beyond the expected light resistance of normal motor friction.

  2. 02

    Damaged or loose wiring harness

    Wiring / connection

    A damaged wire, corroded terminal, or loose connector in the harness between the control board and the fan motor can interrupt power or the control signal. Visually inspect the full harness length and firmly seat all connectors.

  3. 03

    Failed fan motor windings

    Part replacement

    Internal motor winding failure will cause the motor to draw incorrect current or no current at all. Checking resistance across the motor windings with a multimeter will reveal an open circuit or a reading far outside the expected range.

  4. 04

    Control board not supplying voltage to motor

    Part replacement

    If the motor and wiring check out correctly, the control board itself may not be sending proper voltage to the fan. This requires verifying voltage at the motor connector while the unit attempts to start.

See the test procedure for each cause

Frequently asked questions about 61

What does 61 mean on a Bradford White water_heater?
Error code 61 on a Bradford White water heater signals a combustion fan failure, indicating the fan motor is not operating correctly. The water heater uses this fan to move air through the combustion chamber and push exhaust gases out through the vent. When the control board detects the fan is not functioning as expected, it prevents the burner from igniting. The issue can be a mechanical restriction, a wiring fault, or a failed motor.
Can I fix error code 61 myself on a Bradford White water heater?
Some steps are accessible to a knowledgeable DIYer. You can check whether the fan spins freely by hand and inspect the wiring harness for loose or visibly damaged connections. However, testing motor winding resistance with a multimeter and verifying control board output voltage requires electrical knowledge and proper tools. If the motor itself has failed, replacing it is a moderate repair that some experienced DIYers can handle, but working on gas appliances always carries risk and local codes may require a licensed technician.
Is it safe to use my water heater when error code 61 is showing?
No, you should not attempt to bypass or ignore error code 61. The control board locks out the burner specifically because the combustion fan is required to safely vent exhaust gases including carbon monoxide. Running the burner without proper fan operation could allow dangerous gases to accumulate. Leave the unit off until the fan fault is diagnosed and resolved.
Will resetting the water heater clear error code 61?
Resetting the unit may temporarily clear the fault display, but the error will return if the underlying fan problem has not been resolved. The control board will detect the fan fault again during the next startup sequence and re-enter lockout. A reset is useful for confirming whether the issue is intermittent, but it is not a fix for a failed motor, damaged wiring, or mechanical obstruction.
How much does it cost to repair error code 61 on a Bradford White water heater?
Repair costs depend on the root cause. If only a wiring connector needs reseating or cleaning, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the fan motor requires replacement, parts and labor combined generally run between $150 and $400 depending on the motor, labor rates in your area, and accessibility of the unit. If the control board is at fault, costs can range higher, from $200 to $500 or more.

Related Bradford White water heater codes

All Bradford White water heater codes
View all 98 Bradford White water heater codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass