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Electronic Control
Ice and Water Flow Chart 8
Is 120V present
between black
and light blue
connector to ice
and water relay
No
board
Yes
Is there continuity
between the
(BRN/BLU) Pin 5
of door harness
and ERF2500++
J4B Pin 6?
Yes
Is there continuity
between the
(BRN/BLK) Pin 3
of door harness
connection to
ERF2500++ J4B-
Pin 4?
Yes
Yes
With door harness
disconnected, is
resistance from pin
No
1 to pin 2 of ice and
water module equal
to 270 ohms +/-20?
Yes
With door
harness
disconnected, is
the resistance
from pin 3 to pin
No
4 greater than
500 ohms?
Yes
Is flapper
solenoid
resistance 60
ohms +/- 10?
No
Yes
Replace
ERF2500++. Is
problem fixed?
Replace UI and
retest.
Are left and right
No
No
door hinge
connections
intact?
Yes
Is 120V present
between pins 1
No
and 6 of 9 position
No
connector in
right hand hinge
Yes
Is 120 VAC present
between pins 2 and
6 of 6 position
connector in left
hand hinge
No
Yes
No
Replace
Replace
hinge
door
harness
harness
No
Replace ice and
water module
No
Replace ice and
water module
No
Replace ice and
water module
Correct and
retest
Are fresh food -
machine
No
compartment
connection
No
connected?
Yes
Repair/replace
machine
compartment
harness
Are left and right
Repair/replace
No
door hinge
harness and
connections
retest
intact?
Yes
Are fresh food -
Repair/replace
No
machine
harness and
compartment
retest
connections intact?
Yes
Repair/replace
Is machine
machine
compartment -
No
compartment
ERF2500++
harness and
connections intact?
retest
Yes
Repair/replace
ERF2500++
harness and
retest
3-16
Connect and
retest
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