Model #LGR7620LW0 Whirlpool residential dryer

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Error Codes

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Question and Answers


Why won't my Whirlpool gas dryer heat?


The wiring diagram for your dryer is shown in the first image below. This diagram shows several components that could prevent your dryer from heating. A blown thermal fuse is one problem that could cause this problem. I recommend checking this component first. You can access this fuse by unplugging the dryer, shutting off the gas supply and removing the back panel of the dryer. The thermal fuse is shown in the second image. (Your dryer will have a thermostat beside this fuse instead of thermistor that is shown below.) According to the wiring diagram, your thermal fuse will have blue wires attached to it. To test the fuse, remove one wire and measure the resistance across the leads of the fuse with a volt/ohm meter. You should measure near zero ohms of resistance (continuity). If the fuse measures infinite resistance (open), then the fuse is blown and will need to be replaced.

You can order parts for your dryer from the Sears PartsDirect website. The part number for your thermal fuse is 3392519.

If the thermal fuse is okay, you can check the operating thermostat (where the thermistor is shown below) in the same manner. You can also check the high limit thermostat and the thermal cut-off on the side of the heater box. If any of these components are open, then they will need to be replaced.

If all of these components are okay, then you could have a failure in the gas valve assembly, a failed timer contact, a bad motor centrifugal switch or a wiring failure between components.

If you need more help, resubmit your question with additional details.

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Lyle W -
Sears Technician