Service Manual

24
D. Bin Control Check
1. Bin Control Check
This appliance uses a lever-actuated proximity switch to control the ice level in the storage
bin. No adjustment is required.
To check BC, follow the steps below.
1) Turn off the power supply.
2) Remove the front panel, then move the control switch to the "OFF" position.
3) Remove the control box cover.
4) Remove the base cover and clear any ice away from BC.
5) Disconnect BC connector from CB K4 connector.
6) Check for continuity across the wires of
BC connector. When the actuator paddle is
not engaged, BC switch is closed. Ifopen,
check that the actuator paddle is not
sticking. Clean if necessary. See "II.D.2. Bin
Control Cleaning." If BC switch still reads
open, replace BC.
7) Press and hold the actuator paddle;
check for continuity across the wires
of BC connector. When the actuator
paddle is engaged, BC switch is open.
If closed, check that the actuator paddle
is not restricted. Clean if necessary. See
"II.D.2.Bin Control Cleaning." If BC switch
still reads closed, replace BC.
8) Reconnect BC connector to CB K4 connector, then move the control switch to the "ICE"
position. Turn on the power supply.
9) Check that CB green "BC CLOSED" LED is on.
10) Allow the icemaker to cycle on. Press and hold the actuator paddle. CB yellow
"BCOPEN" LED should turn on and the icemaker should shut down according to the
chart below. If it does not, replace CB.
Cycle at Bin
Control Activation
Shutdown
Fill Cycle 15 sec. after activation.
Harvest Cycle At the end of the harvest cycle, or up to 15 sec. into the freeze cycle if activated at the
end of the harvest cycle.
Freeze Cycle 15 sec. after activation if activated at least 15 sec. before the 5-min. short cycle
protection timer terminates. Otherwise, at the end of the next harvest cycle.
Legend: BC–bin control; CB–control board
Actuator
Paddle
BC
Fig. 1
Bin Control
Bracket
BC Connector