7
EN
Refrigerators Diagnostic Procedures
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White
Blue
Yellow
Gray
Black
Black
Red
Red
DC12/24V
NTC1
PCB
Fan
Compressor
Compressor
Controller
Box
5 CRX Series Wiring Diagram
5 Diagnostic Procedures
You can identify refrigerator operational issues using
either component-based diagnostic procedures, or via
the LED indicator lights on the thermostat assembly.
Refer to the Component-Based Diagnostics (on
page 7) and the Error-Based Diagnostics (on
page 11) sections for more details.
5.1 Component-Based Diagnostics
This section has information to help you identify various
refrigerator operational issues by diagnosing individual
component parts.
Remember to check the basics before replacing any
parts, such as loose wiring and overall installation issues.
Refer to the Maintenance (on page 23) and Power/
Installation Issues (on page 12) sections for details.
Component Diagnostic Question Action Based On Status Page
Compressor
Does the compressor run? • Verify that the compressor is wired
correctly and has power.
• Correct any wiring and/or power issues
as needed.
6
• Verify that the thermostat works correctly.
• Correct any issues as needed.
10
Does the compressor turn on/off
frequently?
• Verify that the compressor is wired
correctly and has power.
• Correct any wiring and/or power issues
as needed.
6
• Verify that the door seals properly.
• Correct any door and/or seal issues as
needed.
14
• Verify that the thermostat works correctly.
• Correct any issues as needed.
10
Does the compressor still not function
properly aer performing the above
diagnostic tests?
Replace the refrigerator unit. 13