Question about Maytag MDG7657BW Gas Dryer
.....I have cleaned out the excess lint in the dryer and the vent tube. It did not seem like an excessive amount. Also tried running a cycle with the vent tube removed. This did not help.
Ifyour dryer is not getting any heat, you need to make sure there isnothing blocking the front of the dryer. Air flow is key to efficientdrying. Make sure the dryer settings are appropriate for the clothesyou want to dry. The timer selection, fabric selection, and thetemperature selection all play important roles in proper dryeroperation. Check the heating element, burner operation, igniter, thermalfuse, and the wiring (power cord).
Visually inspect your heating elementfor any broken or burned areas. The heating element is a coil made froma nickel-chrome alloy, called nichrome. Check the coil for continuitywith a Volt Ohm Meter. If there's no continuity, it means that theelement is bad and you need to replace it. An electric dryer shouldhave it's own separate power line.
When theburner is operating properly, the flame should beclean and blue.
If the igniter is cyclingwithout the burner lighting, you probably have defective electricalcoils in the gas valve. These coils look like black cylinders withwires coming out the top of them, and are located near the burner valveassembly. When they get power, they open up and allow the gas to getthrough to the burner. If this is a new installation, make sure the gasvalve is turned on.
If the ignitor doesn't glow, look for a white or yellowishdiscoloration, or for a break in the ignitor. If this is somethingvisible, just replace the ignitor. If there are no obvious signs of abreak or burnt area, test it for continuity. If the ignitor doesn'thave this type of problem, you'll need to determine if the problem isin the control area, or somewhere else within the burner system. Testfor 110v getting to your burner assembly.
Here's a test you can perform: Unplug your dryer and then openupthe burner inspection panel. Unplugging your burner assembly unit, youwant to connect your jumpers for the Volt Ohm Meter to the dryer sideof the assembly, not the burner side. Keeping your Ohm meter wires awayfrom the drum area, set the timer to on, set the controls to high heat,and then plug the dryer back in. If there is 110v in this area, you canassume the thermostats in this area are good. If not, a timer, motorcentrifugal switch, or other thermostat may be your culprit.
To protect from over-heating, many dryers use what's commonly called a thermal fuse.If the thermal fuse gets too hot, it will blow, and completely shutdown your dryer until it is replaced. This fuse is often mounted withinthe exhaust duct in the back panel. It's about an inch long, and isusually found within a white plastic housing. When fuses blow, it meansthey have no continuity and no power will flow through it. A badthermal fuse needs to be replaced. When replacing this fuse, check thedryer vents to make sure there is no lint buildup which can cause theheat to stay trapped and blow the fuse again.
You should visually inspect the wiringconnections to the dryer from the house regularly. If you're openingthe dryer case, give the wiring inside a good visual check as well.Lastly, never use an extension cord to operate this appliance. Anelectric dryer draws a lot of power, and the shorter the wiring to it,the better. The power cord connects to a terminal block in the back ofan electric dryer. Sometimes this terminal can get burned out or groundto the dryer. Make sure the power is turned off, and look forscorching, burned, or broken connections. For electric dryers, onebroken connection might allow the dryer drum and timer to operate, butthere would be no heat.
Posted on Jul 29, 2008
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Posted on Jan 02, 2017
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