I have a Whirlpool refrigerator (WRV986FDEM01) not cooling in either compartment. The system is coming up on three years old and has never been opened and has all original parts. Here is what I have gathered.
Suction Line: 70degF
Discharge Line: 74degF
Capillary Lines at 3-way Valve 70degF
From what I gather it appears that the charge is intact and there is a restriction. I believe the restriction is the 3-way valve.
Per the wiring diagram for the valve it shows:
Terminal 1: B-
Terminal 2: A-
Terminal 3: +14v
Terminal 4: B+
Terminal 5: A+
The service manual says (P13) 3-Way Refrigerant valve, can not check the voltage output
I was of the understanding that it was a just a coil (constant voltage proportional to valve position)
Is this a PWM signal? I am assuming A is RC, B is FC and perhaps home is no signal (shut).
Am I overlooking something and do you know of a way to test the valve? Voltage signal or at least ohming out the coil?