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Norcold DC440 User Manual

Norcold DC440
16 pages
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Refrigerator
Service Manual
Models:
DC440, DC451, DC490
DE441, DE451, DE461, DE490
MRFT415, MRFT440, MRFT460
Part No.619730E (01/01)
NORCOLD, INC.
P.O BOX 4248
SIDNEY, OH 45365-4248
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Norcold DC440 Specifications

General IconGeneral
BrandNorcold
ModelDC440
CategoryRefrigerator
LanguageEnglish

Summary

Trouble Shooting - Procedure A

Compressor Not Running Diagnosis

Flowchart for diagnosing why the refrigerator compressor does not run when the thermostat is ON.

Trouble Shooting - Procedure B

Compressor Resistance Check

Procedure to measure the compressor's electrical resistance at room temperature.

Trouble Shooting - Procedure C

Power Supply Output Voltage Measurement

Steps to measure the output voltage of the power supply at the compressor.

Trouble Shooting - Procedure D

Compressor AMP Draw Measurement

Procedure to measure the amperage drawn by the compressor during operation.

Trouble Shooting - Procedure E

Evaporator Thermistor Check-Out

Procedure to check the evaporator thermistor resistance against temperature.

Trouble Shooting - Procedure G

Refrigerator Too Cold Diagnosis

Troubleshooting steps for when the refrigerator is too cold.

Trouble Shooting - Procedure H

Auto-Shut Off Device Functionality

Details on the auto-shut off device, its installation, and operation.

Ventilation - Procedure I

Ventilation Importance and Guidelines

Explains the necessity of proper ventilation for refrigerator cooling and longevity.

Ventilation Requirement Chart

Table detailing minimum vent sizes with and without fans for different refrigerator models.

Trouble Shooting - Quick Reference

Troubleshooting Steps Summary

A concise summary of key troubleshooting steps referencing specific procedures.

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