58 Part Number 000015432 4/18
Ice Machine Will Not Run Diagnostics
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Warning
High (line) voltage is applied to the control board
(terminals #39 and #90) at all times. Removing control
board fuse or moving the toggle switch to OFF will not
remove the power supplied to the control board.
The following sequence describes the normal start-
up procedure for the ice machine when line voltage is
disconnected then reconnected to the ice machine.
1. Power is supplied to the control board.
2. The control board lights race (energize/de-energize
in sequence) to indicate the ice machine is in a
15-minute delay mode.
3. When the 15-minute delay ends, the ice machine
starts. The following lights are energized:
• HES #1
• HES #2
• Water OK
The HES #1 light will de-energize and re-energize as ice
passes beneath the ice damper.
When the ice damper lifts approximately 45 degrees, HES
#2 de-energizes and the ice machine shuts off immediately
on full bin. A 15-minute time delay is initiated, which
prevents the ice machine from immediately restarting.
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