
Shut down on
maximum harvest time
(continued)
Curtain switch does not open
when curtain does
Check switch with ohmmeter
Machine in very cold ambient
Move machine to a warmer
location
Hot gas valve does not open
Check hot gas valve, check
controller using test mode
Harvest assist probe out of
position – ejector pin not
retracted
Check harvest assist
mechanism – spring should
retract pin
Damaged evaporator Check evaporator surface
Shut down on
minimum freeze time
Grounded ice thickness sensor
Check sensor for dirt and
position. Clean and adjust gap
to evaporator surface using
13/64” drill bit as a gauge
September 2006 Page 54
Problem Likely Cause Probable Solution
Diagnostics - Remote Air Cooled
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