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K. Bin Control Check
An infrared sensor is used as the primary bin control to control the level of ice in the
dispenser unit/ice storage bin. A mechanical proximitiy switch, is used as a backup bin
control.
• Make sure the icemaker has been installed as outlined in this manual and that
the water supply is on.
• Make sure S2 Dip Switch 7 is in the "ON" position. This allows the control board
to monitor the infrared sensor.
1. Bin Control 1 (Infrared Sensor)
1) If not already removed, remove the front panel, top panel, and control box cover.
2) Make sure the power switch is in the "OFF" position and that the power supply is off.
3) Confirm that control board S2 dip switch 1, 2, and 3 are in the proper position for your
application. See "II.K.3. Bin Control 1 (Infrared Sensor) Shutdown Delay. "
4) Move the control switch to the "ICE" position, then move the power switch to the "ON"
position.
5) Turn on the power supply to start the automatic icemaking process. Confirm the control
board green "Power" LED and the infrared sensor green LED turn on. These 2 LEDs
confirms 24VDC power to the infrared sensor.
6) Make sure the "GM" LED on the control board is on. See Fig. 13. There is a delay of
at least 30 seconds before the "GM" LED turns on after power-up. After the "GM" LED
turns on, press the "SERVICE" button on the control board to bypass the 5-minute
compressor delay. WARNING! Risk of electric shock. Care should be taken not to
touch live terminals. Confirm the "COMP" LED turns on.
"SERVICE" Button
Part Number
Label: 2A9874-01
"COMP" LED
"GM" LED
Control Board
IMPORTANT
"ALARM" LED
Fig. 13
36
"POWER" LED
K6 - Connector for
Infrared Sensor
"BIN FULL" LED
S2 DIP SWITCH
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