Service Manual

19
III. Controls and Adjustments
A. Control Module
When the power cord is plugged in there is a slight delay, then the current cabinet
temperature is displayed. From the control module, the cabinet setpoint and temperature
display scale can be changed.
All models are pretested and factory set
.
NOTICE
The control module is fragile, handle very carefully.
• Do not change wiring and connections. Never misconnect terminals.
• Do not short out power supply to test for voltage.
1. Control Module Display Icons
Control Module Icons
Icon Meaning
Compressor, condenser fan motor, and CRES evaporator fan motor
Compressor running.
Defrost
Appliance is in defrost cycle. See "II.B. Service Diagnosis" for details.
Evaporator Fan Motor (CPT model only)
Evaporator fan motor is running. Evaporator fan motor de-energizes when appliance is in
defrost.
Alarm
Appliance is in alarm. See "III.D. Alarm Safeties" for details.
2. Control Module Display Layout
ECO
°C
°F
SC
V
V
Fig. 1
Up
Button
Down
Button
Front
Panel
SC
Button
Manual
Defrost
Button
Control Module
Compressor Icon
Defrost
Icon
Evaporator Fan
Motor Icon
(CPT model only)
Alarm
Icon