5-9
Replace user
interface board
.
5.
W
A
TER CANNOT BE DISPENSED (ICE MAKER IS OPERA
TING NORMALL
Y)
• Prior to following the diagnostics routine, make sure that no plumbing leaks exist
by checking the connections listed in section “Measured Fill Is Not Accurate.”
Check water pad connection
on dispenser user interface board.
Replace water pad.
Replace user
interface board.
Press the water pad and
then the water button to
test for water dispense.
Replace touchpad.
Unit operates normall
y.
Replace user
interface board.
Unit is operating normally
.
Unit is operating normally
.
Replace smart valve.
Replace core control board.
Plug in or reseat the connecto
r.
W
ater cannot be dispensed by
water pad only
.
W
ater cannot be dispensed by
water button onl
y.
W
ater cannot be dispensed by
water pad & button
.
Go to diagnostics on
page 5-1, then to step #5
on page 5-2 or 5-3 and
press water button.
Go to diagnostics on page 5-1, then to step #10 on page 5-2 or 5-3
.
Go to diagnostics step #5
and press water button
.
Digits 2 & 3 display
“34” when water button is pressed
.
Digits 2 & 3 do not display “34” when
water button is pressed.
Digits 1, 2, & 3 display
decimal number for
software version
.
Digits 1, 2, & 3 display
decimal number for software version
.
Check ribbon cable
connections P4 and P5
on user interface board.
T
ighten connections.
Digits 2 & 3 display
“34” when water button is pressed.
Digits 2 & 3 do not display “34” when
water button is pressed.
Digits 1, 2, & 3
display “–”
.
Digits 1, 2, & 3
display “–”
.
Digits 1, 2, & 3 display
decimal number for software version
.
Digits 1, 2, & 3
display “–”
.
Digits 1, 2, & 3 display
decimal number for software version.
Digits 1, 2, & 3
display “–”
.
Check the P6 and P7 connectors on the core
control board, and make sure that the
connector and all the wires are secure
.
Also check the P1 connector at the user
interface board, and make sure that the connector and all of the wires are secure.
Check the P1 and P2 connectors and make
sure that all the wires are secure
.
Go to diagnostics
step #15.
Repeat diagnostics
step #15.
Repeat flow chart
procedure from ST
AR
T.
Repeat diagnostics
step #10.
Go to
diagnostics on
page 5-1, then to step
#5 on page 5-2 or 5-3.
Is water pa
d
recognized
?
Perform resistance
check on water pad
(see pg 4-1)
.
Is reading correct?
Is the unit operating
?
START
YES
NO
YES
NO
YES
NO
Summary of Contents for 8178501A
Page 4: ... iv NOTES ...
Page 30: ...5 2 WHIRLPOOL MODELS ...
Page 31: ...5 3 KITCHENAID MODELS ...
Page 32: ...5 4 MODULAR ICE MAKER ICE LEVEL DETECTOR MODELS ...
Page 42: ...5 14 NOTES ...
Page 44: ...6 2 WIRING DIAGRAM 2 A B ...
Page 45: ...6 3 SCHEMATIC DIAGRAM 1 Color Code ...
Page 46: ...6 4 SCHEMATIC DIAGRAM 2 ...
Page 48: ...6 6 WIRING DIAGRAM 2 A B ...
Page 49: ...6 7 SCHEMATIC DIAGRAM 1 Color Code ...
Page 50: ...6 8 SCHEMATIC DIAGRAM 2 ...
Page 52: ...CORPORATION ...
