Bradford White Water Heater M2TW65T6FCX

Simulated Resistive Device Testing

Position power switch on gas control to the “OFF” position.

Disconnect simulated resistive device from gas control.

Check resistance of simulated resistive device using a multi-meter set to the ohms setting.

Remove three screws from control access cover on blower and remove cover

Is there 10 to 13 VAC between red wire leading to blower temperature switch and green ground wire?

Is LED on gas valve flashing the “heartbeat” code (alternating bright/dim)?

Is there 10 to 13 VAC between yellow wire leading from pressure switch and green ground wire?

Is there continuity through blower temperature switch?

Check for loose or broken wire connection at switch terminals

WARNING — 115 volt potential exposure. Use caution when making voltage checks to avoid personal injury.

Position gas control power switch to “ON” position and adjust control to call for heat.

Remove the three screws from control access cover on blower assembly and remove cover.

Does blower energize within 2 minutes?

If blower does not energize within 2 minutes, does it run for 30 seconds and shut down?

Is there 115 VAC at wall outlet?

Repair or replace power cord if damaged.

Cast Iron Burner Air Shutter Adjustment

Take necessary precautions to prevent personal injury

Remove outer jacket door and slide inner door from left to right to open

Loosen the air shutter nut and adjust the air shutter for proper burning

Tighten the air shutter nut after adjustment

Is the flame as blue as possible with a minimum of yellow tips?

Describe any issues with flame color or burner operation

Close inner door and observe burner operation

Does the burner operate as adjusted with the inner door closed?

Position gas control power switch to the “OFF” position and unplug heater from wall outlet.

Turn off gas supply to water heater.

Remove outer jacket door and slide inner door open from left to right.

Disconnect pilot tube (7/16 wrench) and feedline (¾ wrench) from gas control.

Disconnect igniter/flame sensor wire from gas control.

Remove burner assembly from combustion chamber.

Thoroughly inspect burner surface area and burner port area and remove any loose debris.

For cast iron burners, inspect for any debris build up inside burner casting.