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gas dryer runs/tumbles but no heat. opened front panel, ignitor does not become hot. checked resistance 78 ohms. checked flame sensor continuity-ok. checked continuity on duct limit thermostat-ok. checked thermostat (3 terminals) 1-2 continuity-ok but 1-3-open. checked the thermostat heater underneath it-also open. does that mean that i needed to replace thermostat & thermostat heater? thank you in advance for your help, ompong
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Rank: Advanced Member
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Measure the gas valve coils resistance. It suppose to be: across the terminals on the left side coil (on the picture) - 1220 Ohms ± 50, across the left and middle terminals on the right side coil - 1365 Ohms ± 25, across the right and left terminals on the right side coil - 560 Ohms ± 25. If any of the readings is wrong then replace both coils. - The part number for the coil kit is AP2150379  Gene.
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Rank: Member
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i checked the coils, the one with two terminals- open; the other's measurement is just like what you said it would be. ordered parts, will let you know. thank you so much for your quick response, ompong
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Rank: Member
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hi Gene, i got it to work!!! thank you so much for all your help, ompong
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Rank: Advanced Member
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Rank: Member
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Joined: 7/9/2009(UTC)
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Originally Posted by: Gene  Measure the gas valve coils resistance. It suppose to be: across the terminals on the left side coil (on the picture) - 1220 Ohms ± 50, across the left and middle terminals on the right side coil - 1365 Ohms ± 25, across the right and middle terminals on the right side coil - 560 Ohms ± 25. If any of the readings is wrong then replace both coils. - The part number for the coil kit is AP2150379 Gene. what do u mean measure with what kind of tool? i feel really dumb asking these questions but my dryer wont heat either and it will run all day untill i open the door.
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Rank: Advanced Member
Groups: Senior Expert, Administrators
Joined: 7/19/2007(UTC)
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What is the complete model number of the dryer?
Gene.
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Rank: Member
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Originally Posted by: Gene What is the complete model number of the dryer?
Gene. its a whirlpool model number LGR6620pto gas dryer
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