Brand:Maytag
Model Number:MDB8959SBS0
Main Symptom:noisy and no water during rinse cycle
What happens & when:rinse only of Normal wash cycle
Error Code (if any):
Parts or tests already tried:
Photos / video link:
When water should be filling in the rinse cycle, is there 120 Volts AC at the valve or can you hear the valve hum?
I am running the cycle now but something doesn’t seem right. The two brown leads to the fill valve seem to be hot all the time during the wash cycle. It has not timed through to the rinse yet but maybe I’m reading the voltage wrong. I don’t have a good wat to probe the wires or connector so I’m just using a voltage tester that is touched to the wires. Will that work?
There is a way a more accurate voltage check can be done. On the right side, about where the float would be in the tub, there is a cover with the float switch inside of it (as seen in the image). This switch can be tested for 120 Volts AC from wire to wire, or wire to chassis if that is easier.
I will check that next. When it came to the rinse cycle the circulation pump came on, no water in machine and very noisy pump. I added water manually and restarted and it started pumping water for the rinse cycle and the pump is quiet again.
It sounds like the issue could be coming from one of three places — the water valve, the flood switch, or the main control. Checking where the voltage stops will point you right to the failed part.
Here’s the breakdown:
-
If there’s voltage going into and out of the flood switch by testing from wire to wire:
The valve has failed. -
If there’s voltage going into the flood switch but not out, and the float isn’t stuck in the “up” position:
The flood switch is the issue. -
If there’s no voltage at the flood switch at all:
The main control isn’t sending power and is the likely failure.
Here are the links to each part, just in case you need one of them:
Valve- W11175771 Water Inlet Valve | Genuine Whirlpool OEM In Stock
Switch- WPW10195039 Water Level Switch | Genuine Whirlpool OEM In Stock
Main control- W10589069 Electronic Control Board (Control Module) | Genuine Whirlpool OEM In Stock
Why would the water fill valve work for the wash cycle but not the rinse cycle?
I will check the valve and the switch but it looks to be a control board issue.. I just want to make sure before replacing anything.
It seems my voltmeter probes are too large to make contact anywhere.
It is a verification process. While it is highly unlikely to be a valve issue, and more likely to be a control or switch issue, there is always the very small chance that the valve could be hanging up.
The voltage at the float switch stayed constant through the entire cycle at 124v.
Even when it was noisy during the rinse or last wash cycle.
It did not fill then but when water was added with a pitcher it was quiet again.
In looking at the wiring, it would seem the voltage would always be there but the control board closes the circuit so I’m not sure I was testing much with the voltage being constant through the entire cycle.
Was the voltage found at both sides of the switch? Yes there is a constant 120 Volts AC when testing from wire to ground chassis, which means more testing will be involved. If there was 120 Volts AC when testing from wire to wire, this identifies a closed circuit which would point to the valve hanging up.