Model #LGR5624DQ0 WHIRLPOOL Residential Dryer

  • Top And Console
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  • Cabinet
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  • 3401771 Burner Assembly
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  • Bulkhead
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Question and Answers

Q:

Why won't my gas dryer heat even though I replaced the igniter and thermal fuse?

A:

The wiring diagram for your dryer is shown in the first image below. If the igniter is glowing when the motor is running, then the following components should be okay: timer, high limit thermostat, operating thermostat, thermal fuse, flame sensor, igniter and motor centrifugal switch. The flame sensor should open to cycle off the igniter when ignition temperature is sensed by the flame sensor. The theory of operation for the gas valve assembly is shown in the second image below. If all of these components are working properly, then you likely have failed gas valve coils.

The part that is to the left of the igniter is the flame sensor.

If the igniter is not glowing, you could have a component in the heating circuit that is "open". To test components with a multimeter, set the meter to check resistance (ohms). Unplug the dryer and access the component. Pull at least one wire off of the component and place one meter probe on each of the contacts of the component. On the high limit thermostat, operating thermostat, thermal fuse and flame sensor, you should measure near zero ohms of resistance (continuity). If you measure infinite resistance (open), then the component will need to be replaced. You can measure the igniter in the same manner. The igniter should measure between 50 and 500 ohms of resistance.

These tips should help you properly diagnose and repair the heating failure in your dryer. If you need more help, resubmit your question with additional details.

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Lyle W -
Sears Technician
Q:

Why did my dryer stop heating?

A:

Without a meter you can't check the parts. The only check would be visual to see if any wires are loose or burnt. There could be several possibilities for this to stop heating.

  • The timer
  • A thermal fuse
  • A thermostat
  • A sensor
  • Gas valve
You will need a meter to check all of these components. A technician will have the proper equipment to make these checks. If you need more assistance you can resubmit your question with additional details.

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Scott D -
Sears Technician

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