Part Number: 000015431 Rev01 5/19 127
CONTROL BOARD, DISPLAY AND TOUCHSCREEN
FUNCTION
The control board, display and touch screen provide user
input and control the ice machine sequence of operation.
NOTE: Anytime power is supplied to wires #55 & #56 on
the control board, the “Display” and “Micro” lights will
flash on and off randomly. The two green lights are located
on the top corner of the control board.
Display Diagnostics
Symptom - Micro light flashes and display light is off.
1. Reboot ice machine by disconnecting power for
a minimum of 15 seconds, reapplying power and
checking micro light for normal flashing.
2. Disconnect the display module communication cable
from the control board and inspect for damaged or
corroded pins. Reconnect after inspection
3. Press the On/Off button on the display and watch the
green Display light on the control board.
A. Display light flashes- Test run ice machine.
B. Display light is off - Replace display/touchscreen
assembly.
Component Check Procedures
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