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Quasimodo1234 10-12-2012 10:53 AM

Roper (Whirlpool) dryer won't start
1 Attachment(s)
I'm out of ideas and couldn't find anything online so I thought I'd post here. Pretty standard issue, hit the start button and the dryer doesn't start (on any setting). The wiring diagram is attached.

After troubleshooting the door switch, start switch, and buzzer I noticed that the resistor on the temperature selector switch was melted. I replaced that and was surprised to find the dryer still didn't start.

I then checked the thermal fuse and double checked the temperature selector. Both checked fine. The blower didn't seem blocked but I haven't actually checked it electrically speaking.

The timer and timer motor seems to check out based on both the diagram and the steps I read online. My wife was able to 'jiggle' the knob and get the dryer to work for a short time though (I'm told).

Any thoughts? Is there a way to bypass the timer (ONLY for testing purposes, I know the dangers that causes)? That part is rather expensive and I'd like to rule it out if possible.
Any additional thoughts as to what I should test?

Simon / APP Team 10-12-2012 12:14 PM


Set the timer to Timed-regular. The followed contacts should be closed: BK-BU, T-W, TM-OR.
Also, when the start switch is pressed the two blue wires contacts should have continuity (closed).
You can also check the motor by applying 120VAC directly to 4M and 5M motor contacts.

Here are the breakdown diagrams and Cabinet parts for Roper RGS6745PQ0 -

Post the results.


Quasimodo1234 10-13-2012 05:08 AM

I've pulled all the wires from the timer, set the temp to it's lowest setting, and put it on 80 minutes (timed dry). BK-BU and TM-OR are closed. T-W is open. Based on the chart at the top of the wiring diagram I thought that was acceptable. Why is T-W listed twice on that chart?

That diagram is a bit blurry so I have a higher res one if you need it. I can't post a link outside the site but I assume I can PM you one.

The two blue wires have 8.8k ohms resistance when I push the start button. It's open when I don't have it depressed.

It will take me a bit longer to test the blower, I'll get back as soon as I have the results.

Simon / APP Team 10-14-2012 03:34 PM


Reconnect all the wire back and jump T-W at the timer. If the dryer starts - replace the timer Part number: 8299765

Part number: 8299765


Quasimodo1234 10-15-2012 03:58 PM

That worked. I guess that's the issue then. I'll followup on this forum post once I've replaced it. Thanks for all the help!

Simon / APP Team 10-15-2012 05:02 PM

You are welcome.


Quasimodo1234 10-21-2012 04:20 AM

I put the new part in and it works perfectly. Thanks again for the information and all the help chasing this issue down.

Simon / APP Team 10-22-2012 08:32 AM

You are very welcome.


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