Please advise what the part number was for the relay to keep the motor running. Someone else said that there was two of the same in the dryer, one with blue wires and one with red wires. firstname.lastname@example.org retired
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Re: DRYER STOPS AFTER RELEASE START BUTTON
If you motor started with the button,the relay is working as are the start windings on the motor.. Likely the run winding of the motor are open .Test the ruun windings wth an ohm meter. If no movement of meter on the windings,replace motor.
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Several different components could be preventing your dryer from continuing to run when the start button is released. The wiring diagram and other technical information for your dryer are shown in the image below. When the start (PTS or Push To Start) button is pushed, the PTS contact is closed and voltage is supplied to the drive motor. Start voltage is also sensed through the blue/black wire that is connected to the P1-5 Start Sense pin on the control board. When the control board senses the start voltage, it normally applies 48 volts DC voltage through the Pink/Black wire to the motor relay to hold the contact closed between the two blue wires attached to the motor relay that supplies normal run voltage to the drive motor. With the start button taped down, the motor continues to run since it gets voltage through the closed start button. Since the motor stops running when the start button is released, it indicates that you have one of these 3 failures:
Broken or disconnected Start Sense wire.
Failed electronic control board that is not sending the 48 volts DC voltage through the motor relay Failed motor relay. Wiring failure between the components.
Since the motor relay and the heater relay are both exactly the same part, you could unplug the dryer and switch the motor and heater relay to see if the dryer will stay running. If it does, then you just need to order and replace the bad relay.
Hi and welcome to FixYa, I am Kelly. This is often caused by the relay inside the control panel.
If you don't have heat or the motor stops as soon as you let go of the PTS (push-to-start) button, there is a quick test you can do to see if it is a bad relay. There are two identical relays inside the control panel: one for the heater circuit (#15) and one for the motor control (#36). They are both part number 3405281.
Unplug the dryer.
Identify the two relays. Looking at the panel from the front, the heater relay is just to the right of the circuit board, and the motor relay is just left of the PTS button and at a slight angle. You probably want to label and/or diagram which wire goes onto each of the spade lugs.
Remove the wires, unscrew the relays and switch them.
Ensure that nothing is going to short out and plug in the dryer.
Set fabric selector to High and the timer to Timed Dry past the 10 minute mark
Press the PTS button and release it.
What you are looking for after the changing relay positions:
If you had motor-stops problems before, but now it continues to run but with no heat, you almost certainly had a bad motor relay.
If you had motor-runs-but-no-heat problems, but now the motor stops, had a heater relay problem. Try holding the button in for 10 or 15 seconds and observe the heating element. If it starts glowing, the heater relay failed.
The replacement relay can be found via these sources: (It pays to net search!)
if the dryer runs when you push the botton in and stops when you stop pushing on the button you have a bad even heat board or a bad motor relay.these parts are located inside the top console,if you send me the model number i can look up your dryer and tell you the part you need to change out
send model number, an even heat board would cause this,or you can unplug dryer and open console on top and see if the even heat board is in there,check it for burn marks,there should be a tech sheet in the console that will help you out but put it back,if you have to call someone in to work on your dryer and the tech sheet is gone they might not be able to help you, there is a relay part 3405281 could be in there,there are actually two of them,there is a heat relay and a motor relay,you can change them out as they are the same part and see if motor stays running,if so change out the motor relay, but i need model number to look up your dryer
check the motor relay. there are 4 wires( 2 are pink and black) this goes to the coil of the relay and must show resistance(closed) you can also jump out the 2 blue wires and see it the unit keeps running. The part number for the relay is: FSP3405281 approx 40.00US
The start button starts the motor heater and energizes a relay that latches closed to keep the motor and heater running untill the timer switch or door switch cut the power to the relay and the relay opens. The latching relay has failed or disconnected if all the cables are attached to the relay replace relay not an expensive item, usualoly good for 10years
dryer circuits look like this, the start switch and relay are drawn just to the right of the motor, this diagram has no relevance to the physical position of the parts
pull end caps off just grab at top of plastic and pull towards you remove the 2 screws underneath lift console up and roll back next to timer is a small control bd to right of that are 2 relays 1 with red wires for element and 1 with blue wires for motor first try switching the relays they are identical and will work for either 1 ..try if works replace relay ..if still not working suspect control bd
What you describe is either a failed evenheat board or a failed motor relay.
Please post the complete model number from the machine and I can help you narrow it down. There should be a wiring diagram inside the console with voltage checks also.