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Our gas dryer runs but does not heat except briefly every now and then. We checked the sensors and thermostat and cleaned the ducts. Still no luck.

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Replaced the 2 coils on gas valve black with wires attached

Posted on Jul 08, 2008


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Maytag DG410 gas dryer-no flame, no heat. I replaced the ignitor - that apparently isn't the problem. Other ideas?

Motor runs, but main burner will not ignite
1.heat switch set wrong---correct switch setting
2.defective timer or timer circuit---check timer wiring--replace timer motor or switch as needed
3.defective centrifugal switch in motor---clean switch or replace as needed
4.gas supply valve closed----open gas valve
5.inoperative solenoid coil---test coil for open circuit & the voltage to it
Pilot burner goes out
1.insufficient gas supply---- low gas pressure or clogged pilot filter or partially closed gas valve
2.carbon deposit on thermocouple tube---clean tube & check pilot burner for proper combustion
3.improperly adjusted pilot flame--adjust pilot flame until faint yellow tip begins to appear
4.faulty ignition or reset valve or thermocouple---replace

Clothes not drying, but dryer runs & heats
1.defective operating thermostat---test thermostat, replace if defective or it's pulley loose on shaft---tighten set screw
3.incorrect heat or timer settings---reset timer
4.clothes to wet when placed in dryer----wring out or extract water from clothes before placing in dryer
5.clogged lint screen or duct (little air motion)---clean out lint screen & duct

Sep 22, 2011 | Maytag PYG4500A Gas Dryer

1 Answer

The Gas Dryer no longer appears to have gas supply although the supply pipe is still attached to the unit. When you switch the dryer on, the drum turns as normal but the gas supply does not ignite and...

The first thing I would do is see if power is getting to the gas assembly. If I could not get any power going to the assembly I would check the duct fuse to see if it has continuity.If it was good I would check the control thermostat for continuity. If I am getting power to the gas assembly I check the flame sensor, if it is open then the ignitor won't glow and you will have no heat. If the sensor is good I would check the ignitor , if open you would have no heat. If that dryer works a little bit but then stops heating then that is a sign of old weak solenoids.
If that duct fuse is blown clean out the blower housing

Repair videos and more HERE

Aug 04, 2011 | Kitchen Ranges

1 Answer

My lrg5644 dryer quit producing heat about 80 % thru the heat cycle and then just kept tumbling forever. I don't smell gas. Is it the thermocouple?

Frequently there's an obstruction in the vent duct from the dryer to the outside of the house. For the dryer to heat properly, the duct must be clean and clear of lint or any other substance. Also note that, to maximize drying efficiency, the vent should be as short as possible.There's a flame sensor near the igniter. If it's defective, the gas may shut off prematurely. Another common problem occurs when one of the electrical coils on the gas valve fails intermittently. If this happens, the flame shuts off before the thermostat sends a signal, which can greatly prolong the drying time. If the sensor or the coils are causing the flame to shut off, replace them.Your dryer has some internal ductwork. If it gets clogged, your dryer can't dry properly. In most dryers, to get to the internal ductwork to clear the clog, you have to substantially disassemble the dryer. A quick way to check for internal clogs is to remove the lint filter and use a flashlight to inspect the inside of the duct. If it looks clogged and you can't clear it using your vacuum, contact a qualified appliance repair technician. Although this isn't a common problem, one of the thermostats that controls the temperature in your dryer may break and cause the dryer to heat poorly. If so, you need to replace it. The thermostat is usually a small, round, black device mounted to an oblong steel plate. The plate is mounted to the internal ductwork with two screws.

Jan 06, 2011 | Whirlpool LGR5644 Gas Dryer

2 Answers

Dryer starts and flame lights then shuts off. How do I test the flame sensor or something else?

If your dryer is not heating, then check if the power cord is plugged into the wall. It may be loose or disconnected. Inspect the fuses and circuit breakers they may have burned out or tripped. Usually, dryer will still tumble but not create heat if a fuse or a circuit breaker is not working. Now, check whether the heating element in your gas dryer is burned out by using an ohm meter to check for continuity. If the continuity is not there then you would need to replace the element. After checking the element, check out the thermal fuse to see if it's burned out. The thermal fuse is attached to the exhaust duct on the back panel of the gas dryer. It's usually surrounded by a black resin material situated in a housing made of white plastic. If the fuse looks like it's blown, then it needs to be replaced.
Now, check the igniter, there is a plastic connector attaching the igniter to the burner. Disconnect this and place the probes onto the two contacts of the igniter. The meter should read under 100 Ohms of resistance. If the reading is above 100 ohms then igniter is bad. If the igniter passes the test then you need to test continuity on the flame sensor. You should have continuity between the two contacts. Use a multimeter to check the continuity at the flame sensor. If not, then you need to replace the flame sensor. The sensors are usually located close by the igniter so are easily visible. Post back in case further assistance is required. Hope this helps...

Sep 04, 2010 | Maytag SDG3606A Gas Dryer

2 Answers

I have Maytag dryer with Model No. LDG8424AAE. It

how long have you had dryer....have you ever had dryer cleaned out could be plugged up...chek airflow,disconnect vent line...feel if you have lot of air...or little....then it might be internal tstats problems.....check all this first.....good luck...

Apr 03, 2010 | Dryers

1 Answer

Dryer turns, heats, but takes forever to dry a load of clothes

you need to clean out the dryer,you have a block somewhere and if you don't take care of it you'll pop the thermal fuse or a need to clean out the duct that the lint filter slides into,vac out the inside of dryer where the motor is and remove the vent line and blow it out,if it's a long run from the back of the dryer to the outside flapper i use a leaf blower to blow out the vent line,make sure the outside duct is open and nothing is blocking the air flow before you blow it.also if it's a gas dryer you could have bad gas coils if the clothes are just warm instead of hot when the load is done,turn the dryer on when it's cold,after it runs for 15 to 30 minutes check to see if the flame is still liting,if it isn't you have bad gas coils located on top of the gas valve,the coils will work until they heat up and then they fail after a while,if i can help with anything else let me know,good luck you should do the clean out once a year anyway so you don't have a fire and so your dryer will run correctly

Mar 13, 2010 | Whirlpool Dryers

1 Answer

Kenmore 90 Series Gas Dryer No Heat. Have replaced both Coil Valves, and thermal fuse. Gas ignites, runs for 15 seconds then turns off. All ducting is clean. I bypassed thermostate same problem. I also...

try taking off the vent line and run it,also did you remove and clean out the duct that the lint filter slides into,send model number,sounds like a venting problem or a thermostat problem,take out the thermostat and see if there's any lint or junk stuck on it

Feb 19, 2010 | Kenmore Dryers

1 Answer

Dryer runs but won't heat

As the clothes gently toss about inside the drum, a temperature control thermostatic disk regulates the heat. It is set for 160f for cotton and it mounts on the blower housing. As air is drawn into the drum and out the backside of the dryer the heat is regulated by this control. It sends 120 volts to the gas assembly. Right next to it is a fuse. The duct fuse is set to blow at 250f. Should that control fail to open and allow for heat to build to abnormally high temps. Note: the fuse will kill the heat source only on most dryer, the dryer will however continue to run. Lint and vent blockage can restrict the airflow and make the heat inside build to dangerous levels.The control thermostat powers up the heat for a minute then shuts down for a few minutes, then repeats this all throughout the drying process, the gas does not stay on! That would burn the clothes. If both of those items check ok and the dryer vent and lint has been cleaned, I next take a look at the gas assembly. I check the flame sensor first. If the flame sensor is open the ignitor will not glow. If that turns out to be good I next check the ignitor itself for continuity. If it turns out to be good I replace the coils. Those coils cannot be checked because they do not act up until energised. Sometimes the coils will work, get hot and fail, cool down and work again. I have some repair photos: HERE

Feb 12, 2010 | Whirlpool LGQ9858P Gas Dryer

1 Answer

Dryer functioning but air not getting hot. this is a Maytag gas dryer

Things that could stop a gas dryer from heating:
Glow bar igniter, thermal fuse (not all models), coils on the gas valve, gas valve, thermostats, motor heat switch, timer, selector switch, sensor.
On the back of the dryer near the fan blower housing is a thermal fuse, if this opens up (no continuity) the gas burner often quits but the motor will still run. If the thermal fuse is open/bad, always clean, change, adjust the venting system and vent hood first and clean out the dryer’s air ducts. Sometimes it is a good idea to replace the operating thermostat at the same time.
Thermal fuse parts help link...on blower housing cover, cannot be re-set, must be replaced if is open (no continuity between pins).
Thank you for contacting

Aug 18, 2009 | Maytag Dryers

1 Answer

The dryer runs but does not heat. Thoroughly cleaned.

The duct fuse must have continuity in order for power to get to the gas assembly even though she may run she won't heat if the fuse is blown. 53481c0.jpg
If that is good and you have power to the gas assembly nothing will happen if the flame sensor is dead. If the sensor is good then the next thing to check is the ignitor. MORE

Mar 12, 2009 | Whirlpool LGR3624JQ Gas Dryer

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