Service manual

EElleeccttrroonniicc CCoonnttrrooll
3-2
EElleeccttrroonniicc TTeemmppeerraattuurree CCoonnttrrooll
The electronic temperature control is located on the freezer door. Temperature is factory preset to provide
satisfactory food storage temperatures. Refer to the SETTING FREEZER CONTROL Quick Reference Guide
below for more details.
ALARM FUNCTION TABLE
Display Priority Visual Alarm Alarm Status Action(s) Required
“HI” 3 “HI Temp” LED ON and
mute sounds LED ashes
Freezer temperature
over the safe limit
Press the mute sounds key
to stop the audible alarm
Alternating “E1”
and temperature
2
mute sounds LED ashes; 1
second set temperature, 1
second “E1”
Fail Safe Mode Check thermistor status
Press the mute sounds key
to stop the audible alarm
Alternating “CE”
and temperature
1
mute sounds LED ashes; 1
second set temperature, 1
second “CE”
Communication Error Check connection between
UI and ECU. Press the mute
sounds key to stop the
audible alarm
Alternating “E2”
and temperature
4
mute sounds
LED ashes; 1
second set temperature, 1
second “E2”
Stuck Key Error Check membrane keys.
Press the mute sounds key
to stop the audible alarm
Actual
Temperature
6
power fail LED on and mute
sounds
LED ashes
Cabinet greater than 10
degrees over the SET
TEMP. at power up.
Press the mute sounds key
to stop the audible alarm
Set Temperature 5
door ajar
LED on and
mute
sounds
LED ashes
Door open for more than
5 minutes
Press the mute sounds key
to stop the audible alarm
SETTING FREEZER CONTROL
Press and hold
for 3 seconds to
start or cancel
control lock.
Press to start or
cancel the fast
freeze feature.
Press to
mute
audible
alarms.
Press to
decrease the
temperature
setting
Turns the
temperature
display ON or
OFF.
Indicates the
door has been
open 5 minutes
or more.
Press to
increase the
temperature
setting
Press and
hold for 3
seconds to
toggle F or C
in the display.
Indicates the
temperature was
above +23°F ( -9°C)
for at least one
hour.
Indicates the
power was
interrupted.
Press to turn the
sounds ON or OFF.
When the LED is ON,
the sounds are muted.
NNOOTTEE::
The unit can reach as low as -35 degrees during the Fast Freeze Mode but ideally the mode is for
initial startup and the addition of product during restock.
NNOOTTEE::
Standard Ice Maker Production; 3.5-4 lbs/24hrs.
NNOOTTEE::
A more in depth description of the alarms is given on page 3-4.