10/8 cubic foot, dc electric refrigerators (18 pages)
Summary of Contents for Norcold N8DCX
Page 1
Refer to this manual. For assistance or additional informa- tion, contact a quali- fi ed installer, service agency, or the gas supplier. Questions? / Des questions? / ¿Preguntas? 1-800-543-1219 N8DCX, N10DCX Models Part No. 640083 Rev. D 05.09.2022...
Replace Refrigerator ..................36 Incorrect installation, adjustment, change to, or maintenance of this refrigerator can cause personal injury, property damage, or both. Have service and maintenance work done by your dealer or by an authorized Norcold Service Center. N8DCX, N10DCX Models www.norcold.com...
If unable to resolve technical issues using the information provided Certifi cation and Code Requirements in this manual, technical support is available through NORCOLD ® Customer Service Center: ...
Model Number Amount of refrigerant in cooling system DC Voltage / Amperage SPECIFICATIONS N8DCX and N10DCX - Electronic ON/OFF, Mode, Temperature Set Multiple LED indicator lights Five (5) Temperature Settings (Separate settings for freezer and fresh food compartments) Night Mode Rough Opening Dimensions N8DC ----------------------------------- 52.88 - 53.01 inches high x 23.50 - 23.63 inches wide x 24.00 inches deep...
Exploded Views Fig. 2 - Front view Description Control Panel Control Panel Label User Interface Control Board Control Housing Control Housing Bracket (3x) Fan and Housing Light Housing Light Light Cover Door Light Switch www.norcold.com SERVICE MANUAL...
Refer to the “Compressor Power Module compressor error Self - Test Diagnostic Chart. ” codes found? Are any Refer to the “User Interface Control User Interface Board Fault Code Chart. ” error codes found? Refer to “Symptom Diagnostic Chart. ” N8DCX, N10DCX Models www.norcold.com...
■ One (1) 1/4 inch adapter with one (1) female to two (2) male connections. (See Fig. 4.1, C) Do not leave jumpers in place for normal NOTICE operation. 12/24 Vdc Fig. 4.1 - LED Fig. 4.4 - Adapter www.norcold.com SERVICE MANUAL...
Test D. Thermal Cut-Out of Compressor Power Module. Perform The compressor power module is running too hot Test E. (>203°F) Compressor Power Module Hardware Failure. Perform A failure is detected in the compressor power module. Test K. N8DCX, N10DCX Models www.norcold.com...
DC input connector. Is VDC Repair DC supply voltage. 11.9 - 15.6? With freezer and fresh food compartments at temperature setting “5” and the compressor running, measure voltage at DC connector. Continued on next page. www.norcold.com SERVICE MANUAL...
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- Check for frayed / damaged wires. - Check 90° Faston connectors on compressor. Replace compressor power module. Redo the test in “Compressor Power Module Self-Test Diagnostics Chart.” Has Error Code 2 Repair complete. cleared? Replace the refrigerator. N8DCX, N10DCX Models www.norcold.com...
Check that all terminals are wired as per the wiring diagram. Are all Correct wiring to the compressor power connections module so that it matches the wiring diagram. correct? Has Error Code 2 Replace compressor power module. cleared? Repair complete. www.norcold.com SERVICE MANUAL...
DC power supply connected. Turn refrigerator OFF for a minimum of five (5) minutes to allow internal system pressures to equalize. Turn refrigerator back ON. Does code Repair complete. 3 return? Replace the refrigerator. N8DCX, N10DCX Models www.norcold.com...
110°F (43° C). Correct input voltage. 10.4 - 15.6? fan operating, Replace fan and / or clean coils. coils clean/not blocked? Does code Replace compressor power module. 4 return? Does code Repair is complete. 4 return? Replace the refrigerator. www.norcold.com SERVICE MANUAL...
110°F (43° C). - unit is powered OFF until the compressor power module cools to below 165° F (74°C). Turn refrigerator ON. Make sure fan is running. Does code Repair is complete. 5 return? Replace compressor power module. N8DCX, N10DCX Models www.norcold.com...
The input voltage must be within 11.9 - 15.6 VDC. Is VDC Correct DC input voltage. 11.9-15.6? Remove thermistors and with a DMM measure resistance across the terminals of the connectors at 75°F (±5°). The resistance should be Continued on next page. www.norcold.com SERVICE MANUAL...
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With the compressor harness still unplugged from compressor, measure Go to resistance between all three (3) current lead-in pins on the compressor. All equal. measured values within Replace compressor power module. range? Replace the refrigerator. N8DCX, N10DCX Models www.norcold.com...
Does Replace thermistor. thermistor test good? Inspect diverter valve, wiring, and tubing. Check for damaged or frayed over-cooling wiring, pinched or bent tubing, and problem damage to diverter valve housing. fixed? Repair complete. Continued on next page. www.norcold.com SERVICE MANUAL...
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Continued from previous page. diverter valve Replace refrigerator. damage present? diverter valve Repair diverter valve wiring damage. wiring damage present? over-cooling Disconnect wires to compressor problem power module “T”. fixed? Repair complete. Continued on next page. N8DCX, N10DCX Models www.norcold.com...
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Compressor should be OFF a 4.7 VDC fixed? or higher and ON at 2.7 - 3.3 VDC. Repair complete. Is VDC 4.7+ and Replace compressor power module. compressor running? Replace the user interface control board. over-cooling Repair complete. problem fixed? Replace refrigerator. www.norcold.com SERVICE MANUAL...
/ or fresh food compartments, settings on high especially if refrigerator is operated end of range? in higher humidity conditions. Try to keep door openings to minimum occurrences and time open, especially if refrigerator is operated in high humidity conditions. N8DCX, N10DCX Models www.norcold.com...
Remove refrigerator from enclosure, problem but do not disconnect the DC supply. fixed? Repair complete. Inspect condenser coil for restriction. Is the Remove restriction and clean condenser as needed. restricted? cooling problem fixed? Repair complete. Continued on next page. www.norcold.com SERVICE MANUAL...
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Were problems Repair all problems that were found with wiring during wiring / connector inspection. found? cooling Replace the user interface problem control board. fixed? Repair complete. cooling Repair complete. problem fixed? Replace refrigerator. N8DCX, N10DCX Models www.norcold.com...
Check with DMM to insure continuity. fuse Replace fuse. blown? Check that wiring to the refrigerator conforms to the requirements of the N8DCX / N10DCX cable size acceptance table on page 7. Correct input wiring to Is wiring wiring per refrigerator so that it...
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/ connector inspection. found? problem fixed? Repair complete. Does Replace user interface user interface control board. power Does compressor Replace compressor power module. motor come over-cooling Repair complete. problem fixed? Replace refrigerator. N8DCX, N10DCX Models www.norcold.com...
Replace compressor code power module. present? Check that wiring to the refrigerator conforms to the requirements of the N8DCX / N10DCX cable size acceptance table on page 7. wiring Correct input wiring so that it conforms to requirements. Table? Refer to “Wiring Diagram” section:...
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Test K - Voltage Within Cut-Out Range, But Refrigerator Powers OFF, cont'd. Continued from previous page. Were problems Correct DC input voltage. found with wiring? problem Replace user interface control board. fixed? Repair complete. problem Repair complete. fixed? Replace refrigerator. N8DCX, N10DCX Models www.norcold.com...
Remove the fresh foods thermistor. Is the Measure the resistance across the fault code terminals of the connector with a DMM cleared? at 75 °F (± 5 °). The resistance should Repair complete. Continued on next page. www.norcold.com SERVICE MANUAL...
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Repair complete. Is the thermistor Repair any damage to the wiring wiring or connectors. damaged? Is the fault code Replace thermistor. cleared? Repair complete. N8DCX, N10DCX Models www.norcold.com...
Remove the fresh foods thermistor. Is the Measure the resistance across the fault code terminals of the connector with a DMM cleared? at 75 °F (± 5 °). The resistance should Repair complete. Continued on next page. www.norcold.com SERVICE MANUAL...
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Repair complete. Is the thermistor Repair any damage to the wiring wiring or connectors. damaged? Is the fault code Replace thermistor. cleared? Repair complete. N8DCX, N10DCX Models www.norcold.com...
Correct the input voltage. 11.9 - 15.6? Check that wiring to the refrigerator conforms to the requirements of the N8DCX / N10DCX cable size acceptance table on page 7. Correct input wiring to refrigerator so wiring per that it conforms to requirements.
Are all connectors Connect all wiring harness connectors to the correct header connectors on connected the board per wiring diagram. correctly? Is the Replace user interface fault code control board. cleared? Repair complete. N8DCX, N10DCX Models www.norcold.com...
2. Remove the mounting screws from each mounting bracket. Pull the refrigerator forward. Replace Refrigerator 1. Push refrigerator fully into enclosure. Install screw into each mounting bracket. 2. Connect all power supplies to the refrigerator. N8DCX, N10DCX Models www.norcold.com...
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