Norcold Polar 10 Series - User Manual

© 2018 NORCOLD, INC. All rights reserved.
Part No. 639412 Rev. A 10.21.2019
Service Manual
Gas Electric Refrigerators
Questions? 1-800-444-7210
Improper installation, adjustment, altera-
tion, service or maintenance can cause
personal injury or property damage. Refer
to this manual. For assistance or addition-
al information, contact a qualifi ed installer,
service agency, or the gas supplier.
Polar 10 Series (N10LX, NA10LX) Models

Norcold Polar 10 Series Specifications

General

Height	59.75 inches
Width	23.5 inches
Depth	24 inches
Defrost Type	Automatic
Door Storage	Yes
Freezer Compartment	Yes
Capacity	10 cu. ft.
Power Source	12V DC
Shelves	Adjustable
Energy Consumption	1.5 kWh/day

Summary

Safety Information

Preventative Maintenance

Gas Flame Appearance

Guidance on visually inspecting the propane gas flame appearance.

Clean the Burner Tube

Step-by-step instructions for cleaning the burner tube annually.

Controls and Operation

User Interface Controls

Overview of power, mode, and temperature set buttons.

Temperature Set Button

How to view and adjust the refrigerator temperature settings.

Gas Operation Modes

Explains gas operation, modes, and burner ignition.

AC Operation Mode

Details the requirements and operation of AC mode.

Diagnostic Pre-Checks

Fault Codes

Troubleshooting Specific Fault Codes

Fault Code: No Flame (no FL)

Procedure for diagnosing burner ignition or re-ignition faults.

Fault Code: No AC Power (no AC)

Procedure for diagnosing lack of AC power to the refrigerator.

Fault Code: AC Heater Fault (AC HE)

Procedure for diagnosing AC heater faults.

Fault Code: AC Heater Relay Stuck (AC rE)

Procedure for diagnosing a stuck AC heater relay.

DC Voltage Fault Codes (Lo, HI)

Procedures for diagnosing low or high DC voltage faults.

Fault Code: Communication Lost (no dt)

Procedure for diagnosing loss of communication between controls.

Fault Code: Internal Control Faults (Sr, oP LI, FL -)

Procedures for diagnosing internal control faults.

Fault Code: Flashing Temperature Setting

Procedure for diagnosing a flashing temperature setting indicator.

Troubleshooting: Blank Display

Procedure for diagnosing a blank display issue on the unit.

Diagnostic Mode Operation

General Diagnostic Information

Accessing Diagnostic Mode

Navigating Diagnostic Screens

Exiting Diagnostic Mode

Diagnostic Screen Functions

Screen 1-3: Icon and Temperature Displays

Screen 4-5: Stored Fault History

Screen 6: Erasing Fault History

Screen 7: Power Board Inputs

Screen 8: Power Board Outputs

Screen 9 & 0: Voltage Status

Cooling Unit Diagnostics

Cooling Unit Checks

Includes checking cooling unit for leaks, ventilation, and heat input.

Leveling and Door Gasket Checks

Verifies refrigerator leveling and door gasket sealing.

Cooling Unit Performance Test

Procedure to test the cooling unit's performance and temperatures.

Wiring Diagrams

Wiring Schematic

Wiring Pictorial

Refrigerator Enclosure Service

Remove the Refrigerator

Replace the Refrigerator

Conduct Leak Test

Procedure for conducting a leak test on gas connections.