Service Mnaual

3
IMPORTANT
This manual should be read carefully before the appliance is serviced. Read
the warnings and guidelines contained in this booklet carefully as they provide
essential information for the continued safe use, service, and maintenance of the
appliance. Retain this booklet for any further reference that may be necessary.
CONTENTS
Important Safety Information ................................................................................................. 5
I. Construction and Refrigeration Circuit Diagram ................................................................. 8
A. Construction .................................................................................................................. 8
B. Refrigeration Circuit Diagram ........................................................................................ 9
II. Sequence of Operation and Service Diagnosis ............................................................... 10
A1. Thermostat Control Sequence of Operation Flow Chart ............................................ 10
1. Undercounter and Work Top: Refrigerator .............................................................. 10
2. Prep Table ...............................................................................................................11
3. Undercounter and Work Top: Freezer .....................................................................11
A2. Thermistor/Control Module Sequence of Operation Flow Chart ............................... 12
1. Undercounter and Work Top: Refrigerator .............................................................. 12
2. Prep Table .............................................................................................................. 13
3. Undercounter and Work Top: Freezer .................................................................... 14
B1. Thermostat Control Service Diagnosis ...................................................................... 15
1. Undercounter and Worktop: Refrigerator ................................................................ 15
2. Prep Table .............................................................................................................. 16
3. Undercounter and Worktop: Freezer ...................................................................... 17
B2. Thermistor/Control Module Service Diagnosis .......................................................... 19
C. Defrost Timer Check ................................................................................................... 23
D. Control Module Check ................................................................................................. 24
E. Diagnostic Table .......................................................................................................... 26
III. Controls and Adjustments ............................................................................................... 28
A. Temperature Settings .................................................................................................. 28
B. Defrost ......................................................................................................................... 28
C. Safety Devices ............................................................................................................ 30
D. Perimeter and Mullion Heaters .................................................................................... 30
IV. Refrigeration Circuit and Component Service Information.............................................. 31
A. Refrigeration Circuit Service Information .................................................................... 31
B. Component Service Information .................................................................................. 33
C. Door Reversal ............................................................................................................. 34
D. Door/Drawer Location Reversal .................................................................................. 37
V. Preparing the Appliance for Periods of Non-Use ............................................................. 48
VI. Disposal .......................................................................................................................... 49