Maytag ACD2234HR*ACD2238HT Series Service page 42

Ice 'N Water Systems
Symptom Possible
Cause
Crushed ice Failed
starts to dispense dispenser
as soon as switch (failed
Crushed mode is short)
selected without
pressing the
Failed PCB
dispenser switch.
Cubed LED is Failed
illuminated but dispenser
does not switch (failed
dispense cubed open)
ice when
dispenser switch
No continuity
is pressed.
Failed auger
motor or PCB.
Cubed ice starts Failed
to dispense as dispenser
soon as Cubed switch (failed
mode is selected short)
without pressing
the dispenser
Failed PCB
switch
1. Auger motor Failed solenoid
operates in
Cubed or
Crushed mode
but ice chute door
Failed PCB
never opens.
2. Auger motor
operates in
Cubed or
Crushed mode
but ice chute door
never closes.
No LED lit, auger Failed PCB
motor operates
only in Cubed
mode, and ice
chute door never
opens or never
closes.
No LED lit, auger Failed PCB
motor operates
only in Cubed
mode, and
dispenser light
never switches on
or never switches
off.
Neither W ater, Failed PCB
Crushed or
Cubed LED will
not illuminate but
W ater, Crushed
or Cubed mode
operates properly
when selected.
42
Test Procedure
Disconnect power. Remove both leads from the
switch and measure resistance across switch
terminals. Resistance should read less than 1 Ω
in this position and higher than 10 MΩ when
switch is open.
W ith PCB powered, measure voltage on pin 4
(BU wire) of 9-pin connector. Voltage should
read 0 VAC.
Disconnect power. Remove both leads from the
switch and measure resistance across switch
terminals. Resistance should read less than 1 Ω
in this position and higher than 10 MΩ when
switch is open.
Disconnect power. Remove the cover of freezer
door hinge located on top of the unit and
disconnect the connectors. Check OR wire (pin 3
of 9-pin connector) for continuity.
W ith PCB powered, press the dispenser switch.
Measure voltage on pin 3 (OR wire) of 9-pin
connector. Voltage should read 120VAC.
Disconnect power. Remove both leads from the
switch and measure resistance across switch
terminals. Resistance should read higher than 10
MΩ when switch is open and less than 1 Ω when
switch is closed.
W ith PCB powered, measure voltage on pin 3
(OR wire) of 9-pin connector. Voltage should
read 0 VAC.
Disconnect power. Remove both leads from the
solenoid and measure the resistance across
solenoid terminals. Resistance should read –
101.2 ohms ±
10%
Measure voltage on pin 1 (GY wire) of 9-pin
connector. Voltage should read approximately
55VDC when ice chute door is open (solenoid
energized) or 0 VDC when closed (solenoid not
energized).
16025628
Repair
Replace switch
Replace PCB.
Replace switch.
Repair open connection.
Replace auger motor if
voltage reads 120VAC. If
not, replace PCB.
Replace switch
Replace PCB.
Replace solenoid.
Replace PCB.
Replace PCB
Replace PCB
Replace PCB
©2005 Maytag Services