Whirlpool ice maker test points
MODULE TEST POINTS
Module ohmmeter checks (no power to icemaker & ejector blades in park)
Test points: L-H.
Component: Mold heater.
Module position: Attached to support.
Ohms: 72.
Test points: L-M.
Component: Motor.
Module position: Disconnect from support.
Ohms: 8800.
SERVICE PROCEDURES:
- Cover – Pull water adjustment knob first andsnap off cover. Index knob and reinstall in same position for same water fill.
- Module, motor and support assembly – Insert phillips driver in access ports in module. Loosen both screws. Disconnect shut-off arm. Pull mold from support assembly.
- Shut-off arm – Pull out from support. Reinsert to full depth.
- Mold & heater – Remove module, motor and support assembly.
- Bimetal – Remove module motor and support assembly. Pull out retaining clips with bimetal.
- Fill cup – Remove module, motor and support assembly. Remove ejector blades and shut-off arm. Pull fill cup from mold.
- Ejector blades or stripper – Remove module, motor, support assembly. When reinstalling ejector blades, realign "d" coupling with module cam.
SPECIFICATIONS:
- Mold heater – 185 watts, 72 ohms
- Thermostat – close 17° ±3° (bimetal) open 32° ±3°
- Water fill – 140cc, 7.5 sec
- Motor – 1.5 watts, 8800 ohms
- Module – stamped circuit, plug-in connectors
- Cycle – one revolution (ejects & water fill) for 120 volt model
Module voltage checks with meter or test light (power to icemaker)
Test points: L-N.
Component: Module.
Line voltage: Power ok.
0 Volts: No power.
Test points: T-H.
Component: Bimetal.
Line voltage: Open.
0 Volts: Closed.
Test points: L-H.
Component: Heater.
Line voltage: on.
0 Volts: off.
Test points: L-M.
Component: Motor.
Line voltage: on.
0 Volts: off.
Test points: N-V.
Component: Water valve.
Line voltage: on.
0 Volts: off.
WATER LEVEL ADJUSTMENT:
Turning the screw clockwise decreases the water fill.
- 1/2 Turn equals 20cc or 1.2 sec.
- Full turn equals 40cc or 2.4 sec.
- Maximum adjustment is one full turn either direction additional rotation could damage module.