62-11039 3-14
3.10 MANUAL DEFROST
COOL DEFROST ALARM START-STOP
SETPOINT BOX TEMPERATURE
ALARM LIST
SELECT
MANUAL
DEFROST
HEAT CONTINUOUS
DEFROST CYCLE STARTED
-20
START--STOP/
CONTINUOUS
2
DEFROST LIGHT
1. Press the MANUAL DEFROST key. The DEFROST light will come on
and the MessageCenter will display “DEFROST CYCLE STARTED” for
5 seconds, or flash “CANNOT START DEFROST CYCLE” for 5 sec-
onds.
d
F
3.10.1 Manual Defrost
The defrost mode can not be manually initiated if:
•“CANNOT START DEFROST CYCLE” is displayed
when the manual defrost key is pressed thus indicat-
ing that none of the Defrost Termination Tempera-
ture Sensors (1DTT, 2DTT or 3DTT) is below 40°F
(4°C).
•The engine has not run 15 seconds after starting.
• The unit is in PC Mode.
• The unit is in Pretrip.
• There is an active shutdown Alarm.
TIP
The Manual Defrost Key can be used at any
time to start a Defrost Cycle as long as one of
the DTTs is below 40°F(4.4°C).
NOTE
All compartments will go into defrost at the
same time.
NOTE
Refer to Section 4.4.10 for more detailed infor-
mation on Defrost.
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