Question about Roper Dryers

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Dryer does not heat on any cycle. If heating element or thermostat needs to be replaced, how difficult is this repair ? Roper model # is REX6634RQ

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If your ELECTRIC dryer is still running, but does NOT produce heat, the following two links can give you advice on how to troubleshoot an ELECTRIC dryer with a no heat problem:

http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

http://www.fixya.com/support/r3574266-thorough_dryer_advice


IMPORTANT: Your problem may or may not be related to a heating element problem as there are numerous factors that can cause a dryer not to heat. The heating element has protection devices that are designed to regulate the heat and internal temperatures. If the dryer overheats the Thermal Cut-Out (TCO) typically will blow BEFORE the heating element. The replacement kit is much cheaper than purchasing a new heating element that may or may not be the problem.


Begin by unplugging the dryer and verifying the voltage at the wall receptacle. You should read 220-240VAC across the two Hot terminals (left and right slots). If the voltage is incorrect, check to make sure you don't have a breaker tripped. Some homes use 2 separate 120VAC breakers to provide power to the receptacle vice using one 240VAC breaker.

If the voltage IS correct, leave the dryer unplugged and remove the cover plate on the terminal block in the back of the dryer (this is where the power cord is installed). Plug the dryer back in and take a voltage reading across the two hot (RED and BLACK) wires at the terminal block. You should read 220-240VAC. If the voltage is good, you have an internal heating problem. If the voltage is bad at the terminal block, but good at the receptacle, you have a bad power cord.

NOTE: If the wires at the terminal block are not color coded, the outer two wires (left and right) are the hot leads. The center conductor is neutral or ground.

The reason a dryer will still run if the input voltage is incorrect, is because the drive motor only uses a portion of the 220 service. The motor runs off 110-120VAC, while the heating circuits require 220-240VAC. So, if you are missing 1/2 your input voltage due to a tripped breaker or bad power cord, your dryer may exhibit these symptoms.

If you determine the problem to be internal, the heating circuits will either be located in the rear of the dryer on the right hand, or under the dryer drum on the right hand side. Usually, an easy way to determine is by the location of the lint screen filter. If the filter is on top of the dryer, the heating circuits are in the back of the dryer. If the lint screen is in the door, the heating circuits are located under the dryer drum.

On a Whirlpool Duet or Kenmore Elite model, the heating circuits are located inside the dryer under the dryer drum on the right hand side. You will need to remove the lower toe panel under the door to access. The toe panel comes off by locating and removing the screws under the bottom front edge of the panel. The Heating Element is located inside a heater box. The Thermal Cut-Out (TCO) will be located on the outside of the heater box on the end opposite the heating element terminals (all the way towards the back of the dryer cabinet). The Hi-Limit Thermostat will be located adjacent to the heating element terminals.

If either the TCO or Hi-Limit Thermostat are determined to be bad, replace BOTH components at the same time. That is why these components are commonly sold as a set. Failure to do so may result in premature failure of any parts you replace.

Replacement parts (if required) may be found at the following websites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The average cost of these components varies, so shop and compare. The first three websites I listed have helpful exploded view parts diagrams that can help you locate and properly identify any parts you may need. The heating components are usually listed under the "Bulkhead" section.


If you have any questions, please post back and let me know. I hope you find this information helpful.


NOTES:
If your model number is not listed on some of the websites, use the part numbers from the Sears website and use that as your search criteria. Some model numbers will not reference on some sites, but the part numbers will. If the model number is correct, all your heating circuits are in the BACK of the dryer behind the rear panel. Just UNPLUG the dryer and position the unit so that you may take the rear panel off. With the panel removed, the heating circuits are on the RIGHT-HAND side. Roper is manufactured by Whirlpool, so these instructions do apply.

Posted on Nov 09, 2010

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Dec 12, 2015 | Kenmore Dryers

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Why roper dryer won't cool down??? Its getting way to hot....help! !!


DRYER OVERHEATING:

Heating Element
A defective heating element can make a dryer too hot. If the element partially shorts out, it can produce heat all the time, regardless of whether the dryer is calling for heat. Remove the heating element to inspect it. The coils should not be touching each other or anything else.

Other Causes and Conditions
Air Flow Problem
Dryers need good ventilation to work properly. If the vent is clogged it can make the dryer too hot. Clean all of the vent tubing thoroughly.

Cycling Thermostat
Although not common, a defective cycling thermostat can make the dryer too hot. The cycling thermostat is supposed to turn on and off the heat to maintain the proper temperature. If the thermostat is defective it may keep the heat on too long. The thermostat is not adjustable or repairable, it must be replaced.

Felt Seal
Most dryers have a felt seal at the front and rear of the drum to keep the heat inside the drum. If the felt seal is worn away or missing, the dryer may keep heating and make the dryer too hot. This is not common.

Blower Wheel
A defective blower wheel will not spin properly and will not vent the hot air, making the dryer too hot. Check to see if there is adequate airflow out of the dryer.


https://www.youtube.com/watch?v=3m5NZvY9V5Q

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Brand new dryer wont heat


depending on which model roper dryer it can be a thermal fuse,high-limit thermostat,cycling switch,burned off wire in control panel,check each side of the heating element to ground and find 125 v.a.c. then on the side of the element that has low or no voltage on it to ground start at the element and back track the components leading to the dead leg on the element till you find 125 vac to ground and replace or repair component or wire,then you should get 240 to 250vac across heating element terminals

Feb 17, 2012 | Roper Dryers

1 Answer

Roper electric dryer will not heat after replacing heating element and thermal fuse. what's wrong.


It doesn't necessarily mean the heating element is busted when the dryer stops heating and the thermal fuse is not part of the heating circuit, it is part of the motor circuit. The heating circuit is basically composed of the heating element, thermal cut-off, high-limit thermostat, cycling thermostat, and the motor centrifugal switch. The most common part that causes the dryer not to heat is the thermal cut-off and/or the high-limit thermostat. Verify this condition by bypassing the said components. Click on the link below for the detailed instructions. Indicate the exact model number of the dryer should you need further assistance.

Troubleshooting Whirlpool and Whirlpool-Made Electric Dryers Running But Not Heating

Feb 12, 2011 | Dryers

2 Answers

My dryer is not getting hot


The problem is obviously in the heating circuit which is basically composed of the heating element, thermal cut-off, high-limit thermostat, cycling thermostat, and the motor centrifugal switch. The most common part that causes the dryer not to heat is the thermal cut-off and/or the high-limit thermostat. Verify this condition by bypassing the said components. Click on the link below for the detailed instructions. Indicate the exact model number of the dryer should you need further assistance.

Troubleshooting Whirlpool and Whirlpool-Made Electric Dryers Running But Not Heating

Feb 10, 2011 | Roper REX4634KQ Electric Dryer

1 Answer

Where would the fuse be and how hard to get to, is it in the upper unit? From behind? or lower unit? Running but no heat.


The problem is obviously in the heating circuit which is basically composed of the heating element, thermal cut-off, high-limit thermostat, cycling thermostat, and the motor centrifugal switch. The most common part that causes the dryer not to heat is the thermal cut-off and/or the high-limit thermostat. Verify this condition by bypassing the said components.

Disconnect power then access the thermal cut-off (cut-out) and the high-limit thermostat. Disconnect the wires of each component then connect them together and insulate it properly. Reconnect power then start the dryer. The problem is indeed in the thermal cut-off (cut-out) and the high-limit thermostat if the dryer heats up. Replace both parts and it should solve the problem. It is an easy and cheap repair to make. Indicate the exact model number of the dryer should you need further assistance.

jahn27_42.jpg
Dryers with lint filter on the front.

jahn27_43.jpg
Dryers with lint filter on the top.

Also bypass the cycling thermostat if the dryer still doesn't heat with the thermal cut-off and the high-limit thermostat bypassed. Check the heating element visually for obvious broken or damaged coil. An ohmmeter will be of great help in checking the resistance/continuity of the heating element. Replace the heating element if broken or damaged, NEVER attempt to repair it.

The problem is likely in the motor centrifugal switch if the dryer still doesn't heat with good heating element and the three components above bypassed. Indicate the exact model number of the dryer should you need further assistance.

Feb 01, 2011 | Dryers

1 Answer

Model RES7745PQ0 works great but no heat... what is most likely the problem... also I checked my breaker so that's not it...? HELP\r\nBest Regards


The problem is likely in the thermal cut-off (cut-out) and the high-limit thermostat located on the heating element housing. Verify this condition by bypassing the said components. Disconnect power then remove the rear access panel to access the thermal cut-off (cut-out) and the high-limit thermostat. Disconnect the wires of each component then connect them together and insulate it properly. Reconnect power then start the dryer. The problem is indeed in the thermal cut-off (cut-out) and the high-limit thermostat if the dryer heats up. Replace both parts and it should solve the problem. It is an easy and cheap repair to make.

jahn27_43.jpg

The
thermal cut-off (cut-out) and high-limit thermostat are sold as a kit with part number 279816 and costs about $30.

In case the dryer still doesn't heat up with the
thermal cut-off (cut-out) and high-limit thermostat bypassed, bypass the cycling thermostat then replace it if the dryer heats up. Check the heating element for broken coils if the dryer still doesn't heat up with the three components mentioned above bypassed.

Jan 19, 2011 | Roper Dryers

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Dryers tumbles but there is no heat


The problem is obviously in the heating circuit which is basically composed of the heating element, thermal cut-off, high-limit thermostat, cycling thermostat, and the motor centrifugal switch. The most common part that causes the dryer not to heat is the thermal cut-off and/or the high-limit thermostat. Verify this condition by bypassing the said components.

Disconnect power then access the thermal cut-off (cut-out) and the high-limit thermostat. Disconnect the wires of each component then connect them together and insulate it properly. Reconnect power then start the dryer. The problem is indeed in the thermal cut-off (cut-out) and the high-limit thermostat if the dryer heats up. Replace both parts and it should solve the problem. It is an easy and cheap repair to make. Indicate the exact model number of the dryer should you need further assistance.

jahn27_42.jpg
Dryers with lint filter on the front.

jahn27_43.jpg
Dryers with lint filter on the top.

Also bypass the cycling thermostat if the dryer still doesn't heat with the thermal cut-off and the high-limit thermostat bypassed. Check the heating element visually for obvious broken or damaged coil. An ohmmeter will be of great help in checking the resistance/continuity of the heating element. Replace the heating element if broken or damaged, NEVER attempt to repair it.

The problem is likely in the motor centrifugal switch if the dryer still doesn't heat with good heating element and the three components above bypassed. Indicate the exact model number of the dryer should you need further assistance.


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1 Answer

I have replaced the heating element and cycle thermostat on my electric dryer but it still does not heat


have you checked the hi-limit switch on the heating element case, then the one shot thermal fuse in the line also

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