Question about Roper REX4634KQ Electric Dryer
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Posted on Jan 02, 2017
SOURCE: roper dryer won't heat
first thing is check the voltage between the black and red terminals at the back of the dryer. you should read 240v. then check the voltage between the balck and the white and the red and the white. there should be 120v at each. if all that is good remove the back of the dryer. make sure you unplug it first. then no the lower right you will see the heater. near the top of the heater you will see a red wire and a red/with a white stripe wire attached to the high limit cutout. remove one wier and check the switch for continuity. if you read nothing its bad and thats why there is o heat. Ifnit checks good replace the wire and then remove one red wire from the heater. then check the heater with your meter. most times on the whirlpool products its one of the two that is bad. check the two thing I described and if you still need help feel free to get back to me and we can go from there.Good luck
Posted on Aug 22, 2007
before you replace the heater
most common cause of heating failure is burn out of the thermal cut-out.
(also called thermal fuse, overtemp cutout and probably half a dozen other names)
These are a small screw on device on the exhaust duct, when exhaust air reaches too high a temperature, like a blockage, they fail before a fire.
examin the exhaust duct inside the dryer for devices that look like this or like this with wires connected to the terminals. there may be 2(hi lo), test with a ohmmeter -conductivity good, no conductivity replace.
there are only a few different kinds the local parts guy will have them all. take the dud one for him to match.
Posted on Aug 27, 2008
Please take a look at the following link. In particular, the first major paragraph where it discusses proper ventilation:
I know the link is for a dryer that no longer heats, but if a dryer is left in a condition where it is starved for air, the heating circuits will actually over-heat and eventually fail. You need to ask yourself when was the last time you inspected or cleaned the dryer exhaust ventilation. If you can't remember, or if you've never cleaned anything before, it may be a good time to do so. Most dryer heat related problems are caused by poor ventilation and lack of cleaning. I recommend that you clean the dryer ducting twice a year. That's once in the spring, and once again in the fall. It is also important to note that the SHORTER and STRAIGHTER the exhaust vent line is, the BETTER. The more bends and kinks that you put in the dryer exhaust, the more resistance you create for the dyrer blower, and the more potential choke points you create where lint can accumulate and clog. Not to mention, this can also cause a fire hazard and/or a habitat for rodents.
Follow the recommended advice and try drying a load of clothes with the vent hose removed, first. If your clothes dry faster like they should, you may have an exhaust clog somewhere. If your clothes still aren't drying correctly, inspect the interior blower fan housing for obstructions. This is all explained in the link provided.
If you attempt these preliminary measures and still have problems, please let me know. I hope you find this information helpful.
Posted on Sep 04, 2008
On the back side of the dryer sits the heater and various safety clixons. Any of them that would be OPEN ( no continuity) would be the problem. Here are some repair pictures
Posted on Jul 25, 2009
The thermal cut-off , which is the small t-stat looking piece located at the top of the element housing ( on vertical mount elements ) or the far front of the element housing ( on horizontal mount elements ) , is usually the cause for no heat .
Posted on Aug 02, 2010
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