Norcold Polar N10LX Service Manual

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www.norcold.com
Polar Series N10LX, NA10LX
SAFETY .......................................................................................3
INTRODUCTION .......................................................................... 4
About This Manual ..........................................................................................4
Certification and Code Requirements .............................................................4
About Installation .............................................................................................4
Replacement Parts ..........................................................................................4
Technical Assistance .......................................................................................4
Model Identification .........................................................................................4
Cooling Unit Serial Number .............................................................................4
Refrigerator Model Number .............................................................................4
Refrigerator Model Number .............................................................................5
Model Number Codes .....................................................................................5
SPECIFICATIONS ........................................................................6
GENERAL INFORMATION ..........................................................9
Ventilation .......................................................................................................9
Overview .......................................................................................................9
Enclosure ......................................................................................................9
Baffles ...........................................................................................................9
Lower Intake Vent ........................................................................................9
Exhaust Vent .................................................................................................9
Roof Cap .......................................................................................................9
Propane Gas Connections ............................................................................10
Leak Test-Detergent ....................................................................................10
Electrical Connections ...................................................................................10
120 Volts AC Electrical Connection .............................................................10
12 Volts DC Electrical Connection ..............................................................10
Main Control Board (Power Board) Fuses ..................................................11
Electrical Components ..................................................................................11
Interior Light ................................................................................................11
Divider Heater ............................................................................................11
12 Volt DC Fan ............................................................................................11
PREVENTATIVE MAINTENANCE .............................................12
Gas Flame Appearance ................................................................................12
Low Ambient Heater (optional) ....................................................................12
Freezer Blower and Switch Assembly (optional) .........................................12
Temperature Control System ......................................................................12
Backup operating system ............................................................................12
Clean the Burner Tube ..................................................................................13
CONTROLS - N10LX, NA10LX .................................................14
Power ON / OFF Button ................................................................................14
Mode Button ..................................................................................................14
Temperature Set Button ................................................................................15
Gas Operation ...............................................................................................15
Gas Mode ......................................................................................................15
AC Mode .......................................................................................................15
Air in the Propane Gas Supply Lines ............................................................15
Diagnostic Pre-Checks ..................................................................................15
FAULT CODES - N10LX, NA10LX MODELS .........................16
TROUBLESHOOTING - N10LX, NA10LX MODELS ...............17
Fault Code - “no” “FL” with Audible Alarm .....................................................17
Fault Code - “no” “AC” with Audible Alarm ....................................................19
Fault Code - “AC” “HE” with Audible Alarm ...................................................20
Fault Code - “AC” “rE” with Audible Alarm .....................................................21
Fault Code - “Lo” “dc” ....................................................................................21
Fault Code - “Lo” “dc” with Audible Alarm .....................................................21
Fault Code - “Lo” “dC” with Audible Alarm .....................................................21
Fault Code - “HI” “dc” with Audible Alarm ......................................................21
Fault Code - “no” “dt” with Audible Alarm ......................................................22
Fault Code - “Sr” with Audible Alarm .............................................................23
Fault Code - Flashing Temperature Setting ..................................................24
Blank Display ................................................................................................25
Figures
Fig. 1 - Double-wrenching gas fittings ...........................................................3
Fig. 2 - Cooling unit bar code label location. .................................................4
Fig. 3 - Refrigerator information label location .............................................5
Fig. 4 - Model Number ..................................................................................5
Fig. 5 - Exploded front view N10LX, NA10LX Models ..................................7
Fig. 6 - Exploded rear view N10LX, NA10LX Models ..................................8
Fig. 7 - Typical roof exhaust venting .........................................................10
Fig. 8 - Fuse locations .................................................................................11
Fig. 9 - Fan wiring .......................................................................................11
Fig. 10 - Freezer blower and switch ..........................................................12
Fig. 11 - Burner tube location .....................................................................13
Fig. 12 - Openings of the burner tube .........................................................13
Fig. 13 - Gas train connection ....................................................................13
Fig. 14 - N10LX, NA10LX user interface (control) locations .......................14
Fig. 15 - Wiring diagram .............................................................................31
Fig. 16 - Wiring pictorial ..............................................................................32
Fig. 17 - Fan only wiring ..............................................................................33
Fig. 18 - Fan and cold weather heater wiring ..............................................33
Fig. 19- Fan and ice maker wiring ...............................................................34
Fig. 20 - Fan, ice maker, and cold weather heater wiring ...........................34
DIAGNOSTIC MODE - N10LX, NA10LX MODELS ...................26
General Diagnostic Information .....................................................................26
Access Diagnostic Mode ...............................................................................26
Change Screens ...........................................................................................26
Exit Diagnostic Mode ....................................................................................26
Screens and Diagnostic Segments Information ............................................26
SCREEN 1: All Diagnostic Icons ON ..........................................................26
SCREEN 2: All Diagnostic Icons OFF .........................................................26
SCREEN 3: Fresh Food Fin Temperature ..................................................26
SCREEN 4: Stored Fault History ................................................................27
SCREEN 5. Stored Fault History ................................................................27
SCREEN 6. Erasing Fault History ...............................................................27
SCREEN 7. Power Board Inputs ................................................................27
SCREEN 8. Power Board Outputs ..............................................................28
SCREEN 9. Power Board DC Input Voltage Status ....................................28
SCREEN 0. Power Board AC Input Voltage Status ....................................28
SCREEN A. .................................................................................................28
SCREEN B. .................................................................................................28
COOLING UNIT DIAGNOSTICS - ALL MODELS .....................29
WIRING SCHEMATIC - N10LX, NA10LX MODELS .................31
WIRING PICTORIAL - N10LX, NA10LX MODELS ...................32
AUXILIARY WIRING CIRCUITS ................................................33
Fan Only ........................................................................................................33
Fan and Cold Weather Heater ......................................................................33
Fan and Ice Maker ........................................................................................34
Fan, Ice Maker, and Cold Weather Heater ....................................................34
ICE MAKER ...............................................................................35
REFRIGERATOR ENCLOSURE ...............................................35
Remove the Refrigerator ...............................................................................35
Replace the Refrigerator ...............................................................................35
Conduct Leak Test ........................................................................................36
■ La version française commence à la page 37
■ La versión en español comienza en la página 73
CONTENTS

Norcold Polar N10LX Specifications

General

Brand	Norcold
Model	Polar N10LX
Category	Refrigerator
Language	English