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Whrlp Master Tech
Whrlp Master Tech, Whirlpool Master Technician
Category: Appliance
Satisfied Customers: 9688
Experience:  30 years Appliance Field 15 yr with Whirlpool Corp. 9 yrs Whirlpool Technical Assistance Line
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I'm trying to troubleshoot a dryer model no. DV50F9A8GVP

Customer Question

I'm trying to troubleshoot a dryer model no. DV50F9A8GVP that will not power on. The display will not illuminate at all. I Have taken the dryer apart and tested the thermal fuse, door switch, belt switch, TH1 cut off, TH2 Hi-limit for continuity and the thermistor for the appropriate amerage.
I have found myself at the point where my L2 (red wire) is hot to the motor but not to the heater. I figure the problem is then with a switch inside the motor. Is this possible? If so, would this prevent the display from powering on?
Submitted: 1 year ago.
Category: Appliance
Expert:  Whrlp Master Tech replied 1 year ago.

Hello from JA
My name is Woody.
I will be glad to assist you today.
I have been servicing ALL Major Brands of Appliances for 35 Years,
and have over 100,000 in home repairs and over 80,000 internet repairs under my belt.

No the Centrifugal switch on the motor will not make the display to power up that contact only gives the heater the full 240 volts from L2 to allow the heater to heat.

Are you getting any L1 voltage to the control board to neutral or to Ground?

Customer: replied 1 year ago.
the motor isn't the issue?I get nothing to ground.
I don't know how to test getting L1 voltage to the control board. But, when I unplug what I this is the power source to the CB I no longer get a voltage reading when touching L1 and L2 screws on the back of my machine.When I touch L1,L2 on the back of my machine I get 120V
When I touch neutral and L2 I get 120V
When I touch neutral and L2 I have no reading.
Is this normal?
Expert:  Whrlp Master Tech replied 1 year ago.

No the motor is not the issue!

you should be getting 240 volts from L1 to L2 and 120 from L1 to neutral and 120 from L2 to neutral

on the control board test the connector Black on 2P (black connector) to Brown White 3P connector looking for 120 volts

And since you no longer get a L2 check your outlet then the breaker .

Customer: replied 1 year ago.
I get nothing on the black 2p/white 3p testMy outlet is as followsBlack to ground 120v
black to red 120v
red to ground 00Both breakers are on
Expert:  Whrlp Master Tech replied 1 year ago.

you have a house hold electrical issue.

You do not have a L2 circuit to the dryer

Customer: replied 1 year ago.
This would prevent my digital display from powering on?
Customer: replied 1 year ago.
the dryer was fully functional. It stopped working in between loads. I could have a faulty circuit this rapidly?
Expert:  Whrlp Master Tech replied 1 year ago.

Yes A breaker can go bad in an instant ,or even a loose wire at the breaker or even where the breaker attaches to the buss bar in the breaker box

Customer: replied 1 year ago.
I'll look into that.Thanks
Expert:  Whrlp Master Tech replied 1 year ago.

no problem,yes if you have no voltage to the dryer at the terminal block it is not an appliance issue but a power supply issue.

Expert:  Whrlp Master Tech replied 1 year ago.

Do you still need assistance on your questions or have any questions for me ?

If not I see you have not rated me as of yet!
Even after you rate me if you have a question just reply back to me,
I will still assist you ,but rating me is the ONLY way I get paid for my time