Bosch dryer won't stay running - sometimes

Dryer is 1.5 yrs old and started acting up a couple weeks ago; but not all the time - it works fine for a couple loads, then won’t stay running in any mode (timed drying or automatic drying).
Dryer will run for about 30 seconds, then stop - no error on the display.
Cleaning the moisture sensors sometimes fixes it…Letting it sit for a few minutes sometimes fixes it.
Should I consider replacing the moisture sensor.
Can anyone supply a wiring diagram for my dryer.

Thanx,
Justin

Hi Justin,

The first failure suspect is a clogged exhaust line which caused the dryer to overheat.

Gene.

Thanks for the response Gene.
I actually already checked the exhaust line and it’s perfectly clean.
Could it be a defective thermal switch?
Or should check something else?

Thanx,
Justin

Possible the moister sensor is causing the problem.

The model number you posted does not come up. Verify and repost it, please.

Gene.

Model number is confirmed to be WTMC4300CN, Bosch Nexxt DLX Series Electric Dryer.
It’s a Canadian model - the US equivalent is WTMC4300US.

Can I simply jumper the moisture sensor to bypass it?
Does it provide a variable resistance or some other measurement to the circuit board?

Thanx,
Justin

As it turns out the problem was with the door switch - the one screw holding the door sensor in place was slightly loose, just enough to shut down the dryer after a couple minutes of tumbling and clothes bumping against the door.
Go figure…

I’m glad you were able to fix it.

Gene.

The unit is freezing items on the refrigerator side even if I turn it down. Do I need to replace the thermostat?

Measure the back freezer wall temperature and post.

I’m not sure about this particular model. Can you make a pictures and post them here?

Gene.

When I set the oven at a certain temp. the oven is always 50-75 degrees less than what is set at. It also takes some time to preheat the oven. I took it a part and the flame looks fine. Could this be the thermostat is bad?