NOTE. The ICE LEVEL CONTROL
(INFRARED SYSTEM) is independent of the
temperature however, the reliability of its
detection can be affected by external light
radiations or by any sort of dirt and scale
sediment which may deposit directly on the
light source and on the receiver.
To prevent any possible ice maker
malfunction, it is advisable to locate the unit
where it can't be reached by any direct light
beam or light radiation and to follow the
instructions for the periodical cleaning of the
light sensor elements as detailed in the
MAINTENANCE AND CLEANING PROCE-
DURES.
NOTE. During the life of the machine the Ice
Level Control may require a recalibration
mainly when the glass of the two optical eyes
are covered by a thin lay of scale.
To do it just follow the following procedure:
• With unit OFF push and old the Reset
Button of the PC Board
• Give power to the machine through the
Green Master Switch
• Hold the PC Board Reset Button till the
leds start to blink/flash (more or less 10
seconds)
• Release the PC Board Reset Button
The Optical Ice Level Control is now
recalibrated.
Check for the correct operation of the Optical
Ice Level Control by plasing a handfull of ice
in between the two eyes.
The Bin Full yellow led must start to blink/
flash immediately and, 10 seconds later, the
machine must trip OFF.
M. If previously installed, remove the refrigerant
service gauges and re-fit the unit service panels
previously removed.
N. Instruct the owner/user on the general
operation of the ice machine and about the
cleaning and care it requires.
Page 20
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