Scotsman MXG 938 - Page 27

Page 27
Page 27
At restart, from any tripping OFF at Bin Full, the
new PC Board assures 45 seconds water filling
phase so to refill the water sump up to the
maximum level.
In case of malfunction of the Optical Ice Level
Control, thenew PC Board switch ON alternativelt
the Yellow and Red Led continuously.
On the PC Board there are four jumpers to
select:
• "no remind" or 12 months remind time for the
water system cleaning
• Operation of the Purge Out Water Pump
(Jump IN on EC series)
• "no delay" or 60 minutes delay time at first start
up
• TEST
In case the TEST contacts are closed with the
Jumper, at the Start Up of the machine the PC
Board energizes all the electrical components for
maximum 3 minutes time.
At the end of the 3 minutes the PC Board switch
OFF the entire machine with the blinking of all the
LED's as shown on the bottom drawing.
E. PUSH BUTTON OPERATION
DURING WATER FILLING PHASE
• Push for more then 2” but less then 5” the
machine enters in Cleaning Mode
• Push for more then 5” the machine by-pass the
Water Filling Phase
DURING FREEZING/HARVEST CYCLE
• Push for more then 5” during the Freezing
cycle the machine goes immediately into
Harvest
• Push for more then 5” during the Harvest cycle
the machine enters immediately in the Freezing
cycle
The length of Harvest is equal to:
•35” if Push Button is activated before -
15°C evaporating temperature LED
activation
•As per Harvest cycle chart, if Push Button
is activated after -15°C evaporating
temperature LED activation (Red LED inside
PC Board ON steady)
F. LED MEANING
GREEN LED ON
Unit under power
YELLOW BIN FULL LED ON
Unit shut-OFF at storage bin full
YELLOW BIN FULL LED BLINKING
Infrared beam break out
RED ALARM LED ON
Too hi condensing temperature
RED ALARM LED BLINKING
Too hi evaporating temperature
YELLOW FREEZING CYCLE ON
Unit in freezing cycle mode
YELLOW FREEZING LED AND RED ALARM
LED ON
Condenser sensor out of order
YELLOW FREEZING LED AND RED ALARM
LED BLINKING
Evaporator sensor out of order
FREEZING CYCLE
BIN FULL
POWER
TOO HI EVAP TEMP
TOO HI COND TEMP
PUSH
BUTTON
PUSH
BUTTON
SYEN
CONDENSER
SENSOR
EVAPORATOR
SENSOR
ON STEADY
BLINKING
JUMP OUT - EC SERIES
JUMP IN Ð AC SERIES
WATER SYSTEM
CLEANING REMIND
JUMP OUT - 12 MONTHS
JUMP IN Ð NO REMIND
START UPDELAY TIME
JUMP OUT Ð 60Õ DELAY
JUMP IN - NO DELAY
TEST