Filter
Top Products
17
2. Features
The control board provides the following safeguards:
•Provides component protection during low water supply.
•Purges remaining ice in the evaporator at startup and shutdown.
•Providesshortcycleprotectionforthecompressor.
a) LED Lights
The "POWER" LED indicates control voltage and will remain on unless a control
voltage problem occurs. An LED illuminates for each relay as it is energized. For more
information, see "II.C. Sequence of Operation."
Icemaking
Cycle (Relay) LED
Energized
Components
Time LEDs are
On
Frequency LEDs are
On
Fill POWER only WV N/A As Needed
Ice Purge (X1) GM GM 60 seconds N/A
Freeze (X1, X2) GM, COMP
GM, Comp,
FMS
N/A N/A
Drain Valve (X6) FLUSH DV 20 Minutes Every 12 Hours
Dispensing
Relay LED
Energized
Component
Time LEDs are
On
Frequency LEDs are
On
Ice Dispense (X4)
Push Button
DM
IDM
60 seconds
maximum
N/A
Opti Serv
ICE
Agitating Motor (X3) AM AM .6 seconds
Every 12 seconds of
accumulative dispense
time
Water Dispense (X5)
(Opti Serv Only)
WTR WTR N/A N/A
Legend: AM–agitating motor, Comp–compressor; DV–drain valve; FMS–self-contained
fan motor; GM–gear motor; IDM–ice dispensing motor, shutter solenoid;
WTR–dispensing water valve; WV–inlet water valve