Norcold N821 - Service Manual
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Also See for N821 -:
- Owner's manual (22 pages) ,
- Installation manual (20 pages) ,
- Parts list (11 pages)
Table of Contents
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For models N620 and N621:
For models N640 and N641:
For models N640-IM and N641-IM: 6 cu.ft., 2 way or 3-way, R.V. refrigerators with ice maker.
For models N820 and N821:
For models N840 and N841:
For models N840-IM and N841-IM: 8 cu.ft., 2-way or 3-way, R.V. refrigerators with ice maker.
These model numbers are 2-way refrigerators. The model numbers of 3-way refrigerators
include ".3".
NORCOLD, Inc.
P.O. Box 4248
Sidney, OH 45365-4248
Service Manual
6 cu.ft., 2-way, R.V. refrigerators.
6 cu.ft., 2-way or 3-way, R.V. refrigerators.
8 cu.ft., 2-way, R.V. refrigerators.
8 cu.ft., 2-way or 3-way, R.V. refrigerators.
Part No. 619394 (5-98)
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Table of Contents
Troubleshooting
Related Manuals for Norcold N821 -
Summarization of Contents
Safety Information
Safety Instructions
General safety guidelines and warnings for refrigerator installation and use.
General Warnings
Covers propane gas safety, installation, and electrical precautions.
Product Specifications
Storage Volume and Dimensions
Details storage volume and rough opening dimensions for different models.
Venting and Installation Clearances
Specifies certified vent kit requirements and installation clearances for ventilation.
Decorative Door Panel Sizes
Lists dimensions for decorative door panels for different models.
Supply Voltage, Fuse, and Wire Size Requirements
Voltage and Fuse Specifications
Outlines required supply voltages, fuse types, and wire sizes for various models.
DC Wire and Fuse Sizing
Provides guidance on DC wire gauge and fuse ratings based on distance.
Operational Requirements
Propane Gas Operation
Details requirements for propane gas operation, including orifice size and pressure.
AC Electric Operation
Specifies voltage and frequency requirements for AC electric operation.
DC Electric Operation
Outlines voltage requirements for DC electric operation.
Heater Specifications
AC and DC Heater Ratings
Lists wattage, amperage, and resistance for AC and DC heaters.
Other Current Draws
Component Current Consumption
Details current draw for automatic ignition, moisture reduction, interior light, and gas valve.
Ventilation Guidelines
Combustion Air and Flue Ventilation
Emphasizes the need for sufficient fresh air intake and proper flue exhaust ventilation.
Installation Clearance Requirements
Specifies minimum clearances for bottom, sides, top, and rear for proper ventilation.
Propane System Safety
Gas Pressure and Safety
Covers operating pressure for propane gas and safety precautions when working with it.
Leak Detection Procedure
Provides instructions on how to examine the gas supply system for leaks using a solution.
Electrical System Details
AC and DC Operation Voltage Limits
Details the operating voltage ranges for AC and DC power sources.
AC Power Supply Examination
Safety warnings and checks for connecting the AC power cord to a grounded receptacle.
DC Power Supply Examination
Guidelines for connecting the 12V DC supply, wire sizes, and fuses.
Control Operations (Models N620/N621/N820/N821)
Control Panel Overview
Identifies and describes the function of buttons on the control panel.
Power and Temperature Settings
Explains how to turn the refrigerator on/off and adjust temperature settings.
Control Operations (Models N620/N621/N820/N821) - Continued
Mode Selection and Operation
Details how to select and operate the refrigerator in automatic and manual modes.
Automatic Mode Functionality
Explains how the refrigerator automatically selects the most efficient energy source.
Manual Mode Functionality
Describes operation in manual AC, LP GAS, or DC modes.
Propane Gas Ignition Process
Information on the ignition process for propane gas and troubleshooting steps.
Control Operations (Models N640/N641/N840/N841 Series)
Control Panel Layout
Identifies buttons and displays on the control panel for these specific models.
Power and Temperature Control
Explains how to power the unit on/off and adjust the temperature.
Mode Selection
Describes how to select different operating modes (automatic and manual).
Automatic Mode Logic
Explains the sequence of energy source selection in automatic mode.
Control Operations (Models N640/N641/N840/N841 Series) - Continued
Manual Mode Indicators
Explains the display indicators for manual AC, LP, and DC operation.
Ignition Failure Handling
Details actions to take if propane gas ignition fails in auto or manual modes.
Backup Cooling System
System Functionality
Describes the backup system's role in maintaining cooling if the temperature sensor fails.
Temperature Adjustment in Backup Mode
Explains how to adjust temperature settings when the backup system is active.
Fault Codes (N620/N621/N820/N821)
Fault Code Definitions
Lists fault codes, their meanings, and corresponding corrective actions.
Specific Fault Code Explanations
Details codes for no display, door ajar, ignition failure, voltage issues, and heater faults.
Fault Codes (N640/N641/N840/N841 Series)
Fault Code Meanings and Actions
Explains fault codes, audible alarms, and corrective actions for these models.
Troubleshooting Fault Indicators
Covers codes related to power availability, voltage levels, relay, and heater failures.
Troubleshooting Guides
No Display on Display Panel
Step-by-step flowchart for diagnosing and resolving a blank display panel issue.
Troubleshooting Guides
Propane Gas Ignition Failure
Flowchart for diagnosing issues with propane gas ignition, including gas supply and electrode checks.
Troubleshooting Guides
Fresh Food Compartment Door Ajar
Flowchart to diagnose and fix issues related to the fresh food compartment door.
AC Power Not Available
Flowchart for troubleshooting when the refrigerator does not receive AC power.
Troubleshooting Guides
AC Voltage Issues
Flowcharts for diagnosing and correcting low or high AC voltage conditions.
DC Voltage Too Low
Flowchart for diagnosing low DC voltage problems, checking connections and charging equipment.
Troubleshooting Guides
DC Voltage Too High
Flowchart for diagnosing and correcting high DC voltage conditions.
Heater Output Failures
Flowcharts for diagnosing AC and DC heater output failures.
Troubleshooting Guides
Heater Open Circuit Diagnosis
Flowcharts for diagnosing DC and AC heaters that have failed open.
Troubleshooting Guides
Flame Sense Circuit Failure
Flowchart for diagnosing issues with the flame sense circuit.
Backup System Issues
Flowchart for diagnosing problems with the backup operating system.
Diagnostic Controls (N620/N621/N820/N821)
Diagnostic Mode Overview
Explains how to enter and navigate the diagnostic display mode.
Diagnostic Screen Descriptions
Details information displayed on diagnostic screens 1 through 7.
Diagnostic Controls (N640/N641/N840/N841 Series)
Diagnostic Screen Functions
Explains diagnostic screens related to outputs, DC voltage status, and AC voltage status.
Fault History and Erase Function
Covers diagnostic screens for fault history and erasing fault data.
Ice Maker System
Ice Maker Operation
Describes how the ice maker operates, including temperature and water supply.
Ice Maker Specifications
Lists electrical requirements, water pressure, and ice yield for the ice maker.
Ice Maker Troubleshooting
Common Ice Maker Issues
Lists common issues like no ice, low yield, and overfilling with solutions.
Ice Maker Pre-Troubleshooting Checks
Essential checks before starting ice maker troubleshooting, like voltage and temperature.
Ice Maker Troubleshooting
No Ice Production Troubleshooting
A detailed flowchart for diagnosing why the ice maker is not producing ice.
Routine Refrigerator Maintenance
Gas Flame Appearance
Guidelines for visually inspecting the propane gas flame for proper appearance.
Burner Orifice Cleaning
Step-by-step instructions for removing and cleaning the burner orifice.
Cooling System Diagnosis
Ventilation and Leaks
Checks for proper ventilation and signs of coolant leaks, including ammonia smell.
Energy Source Performance
How to test cooling performance on different energy sources.
Fuse Management
Fuse Types and Replacement Procedure
Details the types of fuses used and the steps for replacing them.
Refrigerator Handling
Refrigerator Removal Steps
Procedures for safely disconnecting and removing the refrigerator from its enclosure.
Refrigerator Reinstallation Steps
Instructions for properly reinstalling the refrigerator, ensuring combustion seal integrity.
Wiring Diagrams and Pictorials
Wiring Pictorial Overview
Identifies various components and their connections shown in wiring diagrams.
Wiring Diagram Details
Explains the connections and components depicted in the main wiring diagram.
Ice Maker Wiring Diagram
Details the wiring pictorial and diagram specifically for the ice maker.
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