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See the attachment for the wiring diagram.
Does the timer advance in timed dry?
Perhaps try setting the unit to air only and timed dry mid cycle.
Does the breaker still trip?
if not does the timer advance? It should as it is connected directly across the 240 volts (L1 to L2).
Note: this timer runs off of the 240 volts.
As fairbank56 said it could be a grounded heating element.
Unplug the unit and both wires to the heating element.
Measure across the heating element, should be around 8 to 12 ohms.
Then measure from each side of the element to the heater case.
Both should be infinite ohms, if not the heater is grounded and needs replacing.
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There are two brown wires coming off the timer motor. One should go to the BU terminal and the other to the TM terminal. Doesn't matter which is which. The T terminal should have a tan wire from the wire harness. You need to check for a ground on the L-2 heater circuit. L-2 is red wire from power cord connection block to motor connector, through motor switch when motor is running, to heater coil. Timer isn't running because you have no L-2 when breaker trips. May be heater coil is grounding out. Temp switch is not the problem. Timer terminal designations are wire colors (T for tan, W for white, BU for blue...etc.), TM means Timer Motor.
Eric
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My Estate dryer recently stopped drying. The drum tumbles, but no heat. Timer also doesn't work. Below is what I tested and replaced:
1. All three thermostats, heating element and fuse have continuity
2. Timer (3979617) had an open circuit between BK and R terminals. I replaced with a new one. Timer still doesn't work, no heat, and one leg on the house circuit breaker continues to trip when I turn on the dryer. Also, can you tell me what the T vs TM terminals on the timer represent? My dryer had a brown timer wire connected to the T terminal. The replacement timer and videos I have watched, have the wire connected to the TM terminal.
3. Could the High/Med/Low temperature switch cause the problem?
4. It seems something in the dryer is shorting out and causing the house circuit breaker to trip and not provide the power to the timer circuit and/or other circuitry.
any recommendations?
Thanks,
Kent W.
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