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MC0322 through MC2148
Air, Water, and Remote Cooled Service Manual
Critical Maintenance - Ice Thickness Sensor
The freeze cycle is controlled by an ice thickness
sensor positioned in front of the ice making surface.
It is triggered by water contact. Water contacts the
sensor when the ice is at the proper size.
During use the Ice Thickness Sensor will become
coated with mineral scale from the water, which if left
untreated can cause changes in bridge thickness.
To correct, the Ice Thickness Sensor must have the
mineral scale removed. Follow the below steps every
time the machine is cleaned.
Note: Do not disassemble or submerge sensor
while cleaning.
1. Disconnect harness from sensor
2. Press tabs to release sensor and remove.
3. Wipe down the metal part of the sensor with diluted
ice machine scale remover to remove all traces of
mineral build up. Rinse sensor with clean water (do
not submerge) and then dry thoroughly.
4. Reinstall sensor into housing and reconnect
harness.
January 2022
Page 35
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