December 1997
25
RS1300003 Rev. 0
Electronic Functional Description
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
*
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
*
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 +60°F.
2.
Press
Alarm Off pad to turn off alarm.
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.
Clean Condenser Light
Clean Condenser indicator light comes on after 3
months of elapsed time.
Press Alarm Off pad to turn off Clean Condenser
indicator light.
NOTE: Clean Condenser light will turn off after 72
hours.
