Note: This question is for the older version of this part, but we thought you might still find it helpful
Checked all thermal fuse, igniter, temperature controllers, flame sensor, etc. All working perfectly.
First thing in the morning and gas valve coils are cold, when dryer calls for heat -> igniter glows bright orange, flame sensor allows coils to open and gas flows, ignites, heat -> perfect. Gas cycles off when upper setpoint temperature is reached.
Works like this for 3 or 4 cycles. But then no more gas/flame. Igniter and everything else working exactly the same. I can hear the click and feel the slight buzzing as the coils are energized, but no gas makes it thru the valve. Coils slightly warm to touch. I.e. after dryer is run for a while, no more gas but it's trying!
Checked DC resistance of coils, and it falls right inline with the numbers you've posted, so the coils can't be bad can they? Knowing how those coils are designed/made, I can't imagine they degrade over time.
My theory: the gas valve is slightly sticky/gummy and when the coils heat up they don't generate quite enough field to open the valve. In other words I should replace the $90 valve instead of just the $15 coils.
Am trying to take the least expensive path, and would love some advice how to proceed.
PS: I love you guys, and continue to be a loyal customer. Between your videos and these Q&A postings, you've saved me HUNDREDS in repair bills. I am becoming more and more comfortable fixing these appliances myself thanks to your awesome site, service, prices and fast delivery. I've tried to show some love by writing positive reviews on resellerratings.com. Thanks again!
Answer Hello J. Beebo. If the unit works for a while, then fails, it is leaning more toward the valve 8318277 more so on the unit. However, when it fails, make sure the thermostats are not sticking on the unit and causing the issue. Thank you for the compliments and for your business!
The dryer flame is low. I checked all of the sensors with an ohm meter.
Answer Hello Joe,
Check the gas supply to ensure there's not an insufficient supply or restriction (crimped copper line, etc.). If there is no problem with the supply, the issue is probably the safety valve 8318277.
turn dryer on but the only click is the motor coming on. the igniter does not light, the valve on the gas assembly does not click on from coils. nothing seems to come on except motor from drum. can i check to see if coils are bad. i have the gas assembly out of dryer. how to test coils with ohm meter.
Answer Bob, You can check the resistance of the gas valve coils, and it's more likely they will circuit check fine. The two terminal coil should have a resistance reading of 1000 to1300 ohms resistance. the three terminal coils should have 1300 to 1400 ohms resistance from pin one(1) to pin two(2) and 500 to 600 ohms resistance from pin one(1) to pin three(3)( going from left to right , looking at the terminals). Have you checked the radiant / flame sensor for a closed circuit, the igniter for cracks, Also check for 120 VAC across the blue and white wires on both coils of the gas valve, that will tell you if you have power to the valve, or if we have and open thermostat, timer or wiring issue. Thanks and Good Luck
The igniter is coming on, but no gas.
Answer Hello Roy. Test the valve and see if there is power there when the igniter comes on. If so, and the coils do not release the gas, you will need to replace the valve 8318277. Here is a link on how to use a multi-meter. Hope this helps. http://forum.appliancepartspros.com/oven-repair-including-ranges-cooktops/4810-how-check-continuity-ohmmeter.html