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COMPONENT DESCRIPTION
4th GREEN LED ON:
- Unit under electrical power
5th YELLOW LED ON:
-low water reservoir level or low/no
conductivity
6th YELLOW LED ON
- Unit shut-off at storage bin full
Blinking slow
- Infrared beam cutted with machine in operation
Blinking fast
- Infrared beam ON after tripping OFF at storage
bin full
BOTH RED LEDS STEADY (Fig. 11)
- Condenser sensor Out of Order
YELLOW AND RED BLINKING TOGETHER - (Fig. 11)
Evaporator sensaor Out of Order
YELLOW AND RED BLINKING ALTERNATE- (Fig. 11)
Optical Ice Level Control Out of Order
FIG. 10
BLINKING-FLASHING
3 MINUTES DELAY TIME AT START UP
STEADY
TOO HI CONDENSING TEMPERATURE
BLINKING-FLASHING
TOO HI EVAPORATING TEMP.
AFTER 10 MIN. FROM START UP
STEADY
WRONG-NO-SLOW ROTATION
GEAR MOTOR
FIG. 11
STEADY
CONDENSER SERNSOR OUT OF
ORDER
(Fig. 11)
CALIBRATION OF ICE LEVEL
CONTROL/PC BOARD
Any time the PC Board and/or the Ice Level
Control are replaced it necessary to pereform the
calibration as per following instructions:
• Switch OFF the machine
BLINKING-FLASHING SLOW
INFRARED BEAM CUTTED
WITH MACHINE IN OPERATION
STEADY
MACHINE OFF AT BIN FULL
BLINKING-FLASHING FAST
INFRARED BEAM ON AFTER
THE TRIPPING OFF AT BIN FULL
POWER ON
NO WATER
BLINKING - FLASHING
TOGETHER
EVAPORATOR SENSOR OUT
OF ORDER
BLINKING - FLASHING
ALTERNATE
OPTICAL ICE LEVEL
CONTROL OUT OF ORDER
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• Push and hold the PC Board push button
• Switch ON the machine keepiung pushed the
PC Board push button till all LEDs are ON
• Release the push button
GEMD270A
ALL STEADY
CALIBRATION OF PC BOARD &
OPTICAL ICE LEVEL CONTROL
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