Service manual

Page 20
Page 20
NOTE. The ICE LEVEL CONTROL
(INFRA-RED 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, due to negative affection of
the light detector, it is advisable to locate
the unit where it is not reached by any
direct light beam or light radiation, also
it is recommended to keep the bin door
constantly closed.
NOTE. In the front of the PC Board is located
a small I/R Trimmer directly connected with
the optical Ice level control. By means of its
screw it is possible to modify the signal
received from the Ice Level control so to
overcame some problem caused by dirt and/
or low power supply.
When adjusted it is very important to check
for its correct operation using ice (NOT
HAND) to break the Infrared Beam. In case
the machine doesn't stop it means that the
new setting is too much powerfull and need to
be reduced always by means of the I/R Trimmer.
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.