Part Number STH042 7/15 71
Safety Limit Feature
In addition to the standard safety controls, your
Manitowoc ice machine features built-in safety limits that
will stop the ice machine if conditions arise which could
cause a major component failure.
Service Light: The Service light energizes whenever a
safety limit has been exceeded.
Safety Limit 1
If the freeze time reaches 45 minutes, the control board
automatically initiates a harvest cycle.
• After 3 consecutive 45minute cycles, control board
light SL#1 along with the touch pad service (wrench)
light will flash on/off at 1 second intervals.
• If 6 consecutive 45-minute freeze cycles occur, the
ice machine stops and the SL#1 light on the control
board and the Service (wrench) light on the touch
pad will be on continuously.
Safety Limit 2
If the harvest time reaches 3.5 minutes, the control board
automatically returns the ice machine to the freeze cycle.
• If a 3.5 minute harvest cycles occurs, the SL#2 light
on the control board will flash on/off at 1 second
intervals.
• If 3consecutive 3.5 minute harvest cycles occur, the
ice machine stops and the SL#2 light on the control
board and the Service (wrench) light on the touch
pad will be on continuously.
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