12074208
10
February 1998
Electronic Functional Description
Thermistor Alarm
Alarm sounds and freezer or refrigerator indicator light
shows and temperature indicators 4 through 7 will turn
on in sequence if either thermistor circuit opens. Refer
to Temperature Control Operation Section and
Electronic Testing Section.
1.
Press
Alarm Off pad to turn off alarm.
2.
Alarm will retest for normal operation. If condition
has not been corrected, alarm will sound again.
Power Disconnect Switch
Use power disconnect switch to disconnect power
without unplugging refrigerator. Power disconnect
switch is located behind air grille on top right side.
Refrigerator is shipped with power disconnect switch in
the
on position.
Showroom Switch
Showroom switch allows electronic controls and
interior lights to function independently of refrigeration
system. Showroom switch is located behind air grille to
right of control panel. Refrigerator is shipped with
showroom switch in
unit run position.
Power
switch
Showroom
switch
A
l
a
r
m
s
Alarms
Power Up Alarm
After power is initially plugged in, after a power loss, or
if power switch is turned off, all temperature indicator
lights will flash until
Alarm Off or Display On is
pressed.
Note: All settings return to default factory settings.
Door Open Alarm
Alarm tone sounds and indicator lights blink if either
refrigerator or freezer door is open more than 3 minutes.
1.
Turn off Door Open alarm by pressing
Alarm Off
pad or by closing door.
2.
Deactivate door open alarm by pressing
Display
On pad and then press and hold Alarm Off pad for
3 seconds.
3.
Door alarm delay can be adjusted in Program
Mode B.
High Temperature Alarm
Alarm sounds and indicator light shows if freezer or
refrigerator temperature has gone above critical level
and remained warm for 2 hours. Alarm tone stops if
temperature falls again.
1.
Critical temperature for freezer is +15°F; for
refrigerator critical temperature is +55°F.
2.
Press
Alarm Off pad to turn off alarm.