Frigidaire LGUB2642LF2 Service Manual page 34

Electronic Control
Ice and Water Flow Chart 3
Are outputs
correct on the
harness at auger
motor connector?
(120V)
No
Is 120V present
at main board J3-
pin 3 (purple/
black wire)
connector when
paddle depressed
No
and ice selected?
No
Replace ERF
2500++;
Is problem fixed?
Replace UI and
retest
Yes
Replace auger
motor and retest
Are fresh food -
machine
Yes
compartment
connections
connected?
No
Yes
Are right hinge
connections
connected?
Are door switches No
passing 120V (on
Purple wire)
when switch is
Yes
closed?
Is 120V present
at 9 position
in ice maker
connection?
Yes
Repair/replace
auger harness
and retest
3-12
No
Connect and
No
Connect and
Yes
No
Replace switch
and retest
Yes
Repair/replace
No
harness and
retest
retest
retest