56 Part Number 000015432 4/18
NO ICE PRODUCTION
The ice damper did not open and close at least once every
90 seconds in the freeze cycle.
Operation
During the first 12 minutes of operation:
The control board must see the ice damper open/close at
least once. This allows time for ice production to start at all
ambient temperatures.
After the initial 12-minute period:
The control board must see the ice damper open/close at
least once every 90 seconds.
When the ice damper does not open/close within the
specified time, the control board will:
1. De-energize the compressor and gear motor.
2. HES #1 light on the control board will flash (the light
will not flash if the ice damper is open).
3. A 15-minute delay is initiated.
4. After the 15-minute delay the ice machine will:
A. Energize the dump valve for 30 seconds
B. Energize the gear motor
C. Wait until the water float valve closes and then
energize the compressor and fan motor.