Hi there, I'm hoping somebody can help me out? I have a washer/dryer and the dryer is not working. The drum rotates but does not heat up and the clothes are still very damp/wet Whilst the washer works ok and I've never had a problem with the clothes not being cleaned I'm not sure if it heats up as I've used the setting for 90 degrees and 30 degrees and put my hand on the door and I can't feel the difference. Can anybody help? Thanks

There are several reasons why a dryer would not heat up the clothes.

1. The vent is plugged with lint or the blower set-screw is loose (blower slips on the motor shaft instead of spinning full speed). If you do not have good airflow at the outside exhaust when the dryer is running, you'll need to check the ductwork all the way back to the lint trap. If the lint trap is torn, repair or replace it.
2. The heaters are not working due to a bad contact in the timer or one of the two thermostats. Check for continuity in the heater circuit with the dryer unplugged.
3. The heaters are burned out. Note the plural - most dryers have two heaters, one for low heat, the other for medium, and both for high. Try a different heat setting and see if you get warm air. If you do, the heater you normally use is the problem.