Norcold DC-0040 Service Manual Download | Manualshive

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DCXXXX, DEXXXX C

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EfrigErator

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631842a (08-08-07)

NORCOLD, Inc.

Customer Support Dept.

Telephone:

800-543-1219

Fax:

937-497-3183

www.norcold.com

NORCOLD, Inc.

P. O. Box 4248

Sidney, OH 45365

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Summary of Contents for DC-0040

Page 1: ...T DC0740 X DE0740 X DC0751 X DE0751 X DC0040 K DC0051 K MODELS Part No 631842A 08 08 07 2007 NORCOLD INC All rights reserved Please note that the X at the end of certain model numbers indicates the eq...

Page 2: ...Measuring Compressor Amp Draw 6 Troubleshooting Procedure E Verifying Thermistor Operation 7 Troubleshooting Procedure F Insufficient Cooling 8 Troubleshooting Procedures G Refrigerator is Too Cold 8...

Page 3: ...everse Polarity Check Operation Red Black OK Replace 10A Fuse See Figure 2 OK Check DC Polarity INCORRECT OK Compressor Runs YES NO Check Both DC Fuses BLOWN OK Compressor Runs YES NO DC 0V DC 12 to 3...

Page 4: ...3 5 Normal Internal Compressor Failure See Procedure C Change Cooling Unit Note Perform procedure at room temperature ART01947 Measuring the Compressor Resistance Turn the temperature control to the O...

Page 5: ...Failure DC Power Supply Failure Check AC Power Supply 37 45V DC See Figure 5 Check AC Power Supply 37 45V DC See Figure 5 Power Source Less than 15V AC 15 25V AC Measure Voltage Between A B At the Com...

Page 6: ...sure Amperage at A on the Compressor See Figure 6 Normal 40Watt 1 6 2 0Amps 60Watt 2 7 3 3Amps 40Watt 1 6Amps 60Watt 2 7Amps 40Watt 2 0Amps 60Watt 3 3Amps Compressor Failure Compressor Failure Change...

Page 7: ...ce of the thermistor Refer to Table 1 for a listing of acceptable resistance ranges NOTE In general 1 6K 29K good thermistor defective thermistor An open thermistor will stop normal compressor operati...

Page 8: ...ting The compressor vibrates but there is no cooling Troubleshooting Procedure G Refrigerator is Too Cold If the refrigerator is too cold do the following Adjust the temperature control to a lower set...

Page 9: ...the vents by closet or cabinet doors Reducing the vent area can cause the following Shortened life of the refrigeration cooling unit Poor cooling performance of the refrigerator Continuous operation...

Page 10: ...between points A and B 3 Voltage should be between 15V 25V AC Refer to Figure 10 If voltage is not within range refer to Procedure C With the refrigerator power on take an Ohm reading 1 4 4 3 5 at the...

Page 11: ...This Page Intentionally Left Blank...

Page 12: ...XX DEXXXX Compressor Refrigerator Service Manual Part No 631842A 08 08 07 NORCOLD Inc Customer Support Dept Telephone 800 543 1219 Fax 937 497 3183 www norcold com NORCOLD Inc P O Box 4248 Sidney OH 4...

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