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D. Bin Control Check
When BC (micro-switch) is not engaged, BC circuit (CB K8 #3 (GY) and CB K8 #4 (GY))
is closed and the appliance produces ice.
When ice fills the bin and engages BC large
balance plate, BC opens.
NOTICE!
Do not place S1 dip switch 7 or S1 dip switch 8 out of the factory default
position. These dip switches must be left in the factory default position or the
appliance will not operate correctly. For details, see "III.C.1. Default Dip Switch
Settings."
CB dip switch 8 and 9 off; CB starts the 90-60 shutdown sequence.
1) Move the power switch to the "OFF" position.
2) Remove the front, top, and left side panels.
3) Move the control switch to the "OFF" position.
4) Remove the thumbscrews securing the storage bin cover.
WARNING! Keep hands,
hair, and loose clothing clear of the agitator rotating inside of the storage bin.
5) Disconnect BC connector from the back of the control box.
6) Check for continuity across BC micro-switch. If BC large balance plate is not engaged
and BC micro-switch is open, replace BC micro-switch.
7) Press and hold BC large balance plate. While BC large balance plate is engaged, check
for continuity across BC micro-switch. If BC large balance plate is engaged and BC
micro-switch is open, replace BC micro-switch.
8) Disengage BC large balance plate.
9) Reconnect BC connector. Remove the control box cover.
10) Move the move the control switch to the "ICE" position, then move the power switch to
the "ON" position.
11) Make sure the "GM" LED is on. There is a delay of at least 5 seconds before the "GM"
LED turns on after power-up. After the "GM" LED turns on, press the "SERVICE" button
on CB to bypass the ice purge timer.
WARNING! Risk of electric shock. Care should
be taken not to touch live terminals.
"COMP" LED turns on.
12) When Comp starts, press and hold BC large balance plate.
13) 90-sec. Comp shutdown timer starts. Once 90-sec. Comp shutdown timer terminates,
Comp de-energizes and 60-sec. GM shutdown timer starts. Once 60-sec. GM shutdown
timer terminates, GM and FM de-energize.
Diagnosis:
If BC micro-switch is found open and the appliance continues to run,
replace CB.
14) Move the power switch to the "OFF" position. Leave the control switch in the "ICE"
position.
15) Replace the storage bin cover and secure.
16) Replace the control box cover, left side, top, and front panels in their correct positions.
17) Move the power switch to the "ON" position to start the automatic icemaking process.
Legend:
BC
–bin control;
CB
–control board;
Comp
–compressor;
FM
–fan motor;
GM
–gear motor
