Hi
Whirlpool WED4850BW Owner Manual
I hope this helps.
SOURCE: Need year of Manufacture and User Guide
The manufacturing date is in the serial #. The first character will be a letter. The second character is the year code. It will either be a number or letter. If it is a number then it is pre 1990. 0=1980, 1=1981, etc, until 1989. If it is a letter, X=1990, A=1991 B=92 C=93 D=94 E=95 F=96 G=97 H=98. J=99 K=2000 L=01 M=02 P=03 R=04 S=05 T=06 U=07 If the first 3 characters are letters then the 3rd letter is the year code. The first two digits after the year code are always the week of the year of manufacture. Example CD12345 D = 1994 12= 12th week of year Hope this helps. I have no info on any codes prior to 1980. I am not sure about the manual, but if it is still available you can probably get it through Whirlpool or Sears but you may have to call their #800's to order it. They don't list everything on the websites.
SOURCE: dryer spins but will not heat
Ok this can be 1 of 4 problems:
1. your breaker is connected to the only one side of the panel
2. your breaker s fried and needs replaced.
(both of these can be elliminated by using an electrical tester on the outlet)(240 Volt)
3. you temperature thermostat if bad
4. your heating element is bad.
Or if the dryer heats a little then stops heating your vent hose may be kinked or plugged.
SOURCE: Whirlpool electric dryer (Model # LER4634DQO).
HI, check the following to address this issue.
1. No power to the dryer
Make sure there's power getting to the dryer. Check for a tripped circuit breaker or a blown fuse. Check the wall socket for power with a voltmeter or by plugging something else in.
2. Door switch / Door switch actuator lever
The dryer would not start with a broken door switch. Replace the door switch if found defective.
Most dryers have a door switch actuator lever - when you close a dryer door, it presses against the lever, which actuates the door switch. If the lever is broken, the switch would not activate and the dryer would not start. Replace the lever, if broken.
Note: Door switch actuator lever usually comes with the door switch assembly and it is recommended to get the whole assembly since there is almost no price difference between the door switch assembly and just the lever. Check your model for more details.
3. Thermal fuse
Most dryers have a thermal fuse, which burns out when the dryer overheats, in which case the dryer will either not run at all or stop heating. The fuse is usually located on the vent duct, inside the dryer. A blown fuse will show no continuity when measured with a meter. Before replacing the fuse, make sure the blower wheel is not broken or clogged, and there is nothing blocking the venting.
Note: It is recommended by most dryer manufacturers to replace a hi-limit thermostat when replacing a thermal fuse.
4. Timer
Replace if defective (note: uncommon problem).
**The most common issue here will be a defective Thermal fuse
SOURCE: dryer runs, no heat Whirlpool duet 9250
Most likely, it is the thermostat which controls the heating element. The Bios Thermostat will have two wires connected to a round disc which has a flange and screw holes to hold it next to the blower vent or the center of the drum. Use an ohm meter to see if it open or take it to an appliance parts store to have them check it for you. You may also see a thermal fuse and a high temperature cut-off thermostat which should not read open with an ohm meter. Any open thermostat will prevent the heater element from turning on. The part should be about $25.00.
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