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Sub-Zero 642/S - Service Manual

Sub-Zero 642/S
134 pages
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600 Series
600 Series
Prior to Serial #1810000
Prior to Serial #1810000
© SUB-ZERO FREEZER COMPANY INC. 2006 ALL RIGHTS RESERVED JOB AID #3756270 (Revision B. - January, 2006)
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Table of Contents

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Sub-Zero 642/S Specifications

General IconGeneral
Cooling SystemDual Refrigeration
FinishStainless Steel
ShelvingAdjustable Glass Shelves
Ice MakerYes
Water DispenserNo
StyleFrench Door
Door StyleFrench Door
Energy Star CertifiedYes
Width42 inches
Height84 inches
Depth24 inches
TypeBuilt-in Refrigerator

Summary

General Information

Important Safety Information

Critical safety precautions and warnings for operating the unit.

Electronic Control System Information

Possible Error Displays and Codes

Identification and explanation of error codes displayed on the LCD.

Diagnostic Mode Procedures

Step-by-step instructions for entering and using diagnostic mode.

Thermistor Error Identification

Procedure to identify and troubleshoot thermistor errors.

Sealed System Information

HFC-134 a Refrigerant Service Guidelines

Safety and service information specific to HFC-134a refrigerant.

General Rules for 134 a Refrigerant Handling

Best practices and rules for working with 134a refrigerant.

Sealed System Repair Procedures

Step-by-step repair procedures for common sealed system problems.

Icemaker Information

Troubleshooting Guides

Troubleshooting Warm Freezer Temperatures

Diagnosing and resolving warm freezer compartment issues.

Troubleshooting Warm Refrigerator Temperatures

Diagnosing and resolving warm refrigerator compartment issues.

Troubleshooting Dual Compartment Temperature Issues

Resolving warm temperature issues in both freezer and refrigerator.

Troubleshooting Normal Temperatures with Indicators

Diagnosing issues when temperatures are normal but indicators show problems.

Troubleshooting EE Display and SERVICE Flashing

Diagnosing errors related to "EE" display and "SERVICE" flashing.

Troubleshooting Cold Compartment Temperatures

Diagnosing and resolving issues with compartments being too cold.

Troubleshooting Control Board and Membrane Switch Issues

Diagnosing malfunctions with the control board and membrane switch.

Sealed System Troubleshooting Information

Information on diagnosing sealed system issues using pressure readings.

Sealed System Repair Procedures

Step-by-step repair procedures for common sealed system problems.

Membrane Switch and Ribbon Cable Tests

Procedures for testing the integrity of the membrane switch and ribbon cable.

Wiring Diagrams and Schematics

Wiring Diagram for Model 601 R

Electrical wiring diagram for the Model 601R.

Wiring Schematic for Model 601 R

Electrical schematic for the Model 601R.

Wiring Diagram for Model 601 F

Electrical wiring diagram for the Model 601F.

Wiring Schematic for Model 601 F

Electrical schematic for the Model 601F.

Wiring Diagrams for Models 611 & 650

Electrical wiring diagrams for the Models 611 and 650.

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