II Table of Contents
DEFROST THERMOSTAT...................................................................................... 19
To Test Defrost Thermostat ...................................................................... 19
To Remove Defrost Thermostat ................................................................ 19
DEFROST HEATER............................................................................................... 20
How To Remove Defrost Heater ................................................................ 20
SECTION C - ELECTRONIC CONTROLS ............................22
ELECTRONIC CONTROL SYSTEM........................................................................ 22
Damper Assembly.................................................................................... 22
Freezer Temperature Control.................................................................... 22
Fresh Food Temperature Control ............................................................. 22
Defrost Heater .......................................................................................... 22
Defrost Termination Thermostat (DTT)...................................................... 23
Standard Compressor.............................................................................. 23
Evaporator Fan ........................................................................................ 23
Condenser Fan ........................................................................................ 23
Fresh Food Door Sensor.......................................................................... 23
Air Filter .................................................................................................. 23
Sensors ................................................................................................... 23
Fresh Food Lights ................................................................................... 23
Alarm....................................................................................................... 24
Control, Main Board................................................................................. 24
Control, User Interface ............................................................................. 24
Numeric Display ...................................................................................... 24
Fahrenheit & Centrigrade Temperature..................................................... 24
Showroom Setting ................................................................................... 24
ALARMS AND SIGNALS ....................................................................................... 25
Temperature Alarm .................................................................................. 25
Alarm Condition ...................................................................................... 25
Door Ajar LED (flashing green) ................................................................ 25
Door Ajar & High Temp ............................................................................ 26
Power Failure (flashing yellow) ................................................................ 26
Power Failure & High Temp...................................................................... 26
High Temp ............................................................................................... 26
Alarm OFF ............................................................................................... 27
SHOWROOM SETTING ......................................................................................... 27
Activation ................................................................................................ 27
Deactivation............................................................................................. 27
Active Function Displays ......................................................................... 27
Fresh Food Lights ................................................................................... 27
Change Between Fahrenheit & Centigrade................................................ 28
Advance Into Defrost Cycle Manually....................................................... 28
Activation..................................................................................... 28
Deactvation .................................................................................. 28