Introduction .................................................................................................. 4
About this Manual ................................................................................... 4
Model Identification ................................................................................. 4
Information Label .................................................................................... 4
About Installation .................................................................................... 4
Replacement Parts ................................................................................. 4
Technical Assistance ............................................................................... 4
Model Identifi cation ..................................................................................... 5
Safety Awareness ........................................................................................ 6
Safety Notice ........................................................................................... 6
Attention Statements ............................................................................... 6
Safety Statements ................................................................................... 6
Specifi cations .............................................................................................. 7
Theory of Operation .................................................................................... 8
Overview ................................................................................................. 8
Cooling Unit ............................................................................................ 8
Leveled Operation ................................................................................... 8
Electronic Controls ................................................................................ 10
Manual AC Mode .................................................................................. 10
Manual LP Gas Mode ............................................................................11
Auto Mode ............................................................................................. 12
Auto Modes ......................................................................................... 12
Diagnostic Prechecks ................................................................................ 15
Fault Codes ............................................................................................... 16
Open High Limit ................................................................................ 17
AC Relay Error ................................................................................. 17
LOW DC (1) Error ............................................................................. 18
Thermistor Fault ............................................................................. 19
Door Fault ....................................................................................... 19
Blank Display .................................................................................. 19
Ventilation .................................................................................................. 29
Air Intake Vent ....................................................................................... 29
Roof Exhaust Vent ................................................................................ 29
Baffles ................................................................................................... 30
Vertical Enclosures ............................................................................... 31
LP Gas System ......................................................................................... 38
2
NX6 / NX8 / NXA Models
CONTENTS
Components .......................................................................................... 39
Flame Appearance ................................................................................ 41
Gas Lockout .......................................................................................... 44
Cooling Unit ............................................................................................... 48
Refrigerant Leakage ............................................................................. 49
Start Up: ................................................................................................ 54
Shut Down: ........................................................................................... 54
Start Up: ................................................................................................ 55
3-way Model Mode Indicators ............................................................... 55
Shut Down: ........................................................................................... 56
Ice Maker ................................................................................................... 57
Wire Harness ........................................................................................ 57
Fill Tube ................................................................................................ 57
Water Valve ........................................................................................... 57
Specifications ........................................................................................ 57
Cycle Test ............................................................................................. 59
Low Ice Yield ......................................................................................... 60
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Refrigerator Service Manual