10-11) When Light of Dispenser does not operate,
Information
Lamp function turns off automatically after 20 seconds when there is no OFF signal for 20 seconds after the
selection of Lamp function. It is operated by operating LIGHT RELAY (RY74) on MAIN PCB and so, when
there are troubles with RELAY and wire connection, light may not be on. So, check RELAY operation and
the snapping of LAMP itself.
LIGHT LAMP is normal?
START
Replacement of LAMP
MICOM PORT
#17 on MAIN PCB is
HIGH (DC5V)?
Contact state of CONNECTOR
CN72 on PCB other wire connection
state, Contact trouble of Connector
of Hinge-Upp of the Freezer,
other things
N
Check MICOM,
Replacement of PCB
On the selection
of light
N
Y
Check and
Replacement of IC03
N
Y
IC03 PORT
#12 is less than DC1V?
Y
Replacement of
RELAY RY74
N
Contact of
LIGHT RELAY RY74
is ON?
Y
53