Bin Control Check - Hoshizaki DCM-271BAH Service Manual

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."
• "F-A" CB E-0 (G) and earlier dip switch 8 on; CB shutsdown the appliance within 6 to
10 seconds.
• "F-A" CB E-0 (H) and later dip switch 8 off; CB starts the 90-60 shutsdown sequence.
• "F-C" CB dip switch 8 and 9 off; CB starts the 90-60 shutsdown 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 (1-min. "F-A" CB E-0 (H) and later and "F-C" CB
dip switch 8 off or 5-min. "F-A" CB E-0 (G) and earlier dip switch 8 on).
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.
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