Norcold N8DCX - Troubleshoot Symptoms (contd); Test G, Refrigerator Gets Too Cold

Test G, Refrigerator Gets Too Cold
Troubleshooting Symptoms, cont’d.
SERVICE MANUAL
19
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Reconnect thermistors. Test unit.
Replace the refrigerator.
NO
Complete the “Diagnostic
Pre-checks.”
Remove refrigerator from enclosure,
but keep DC power supply connected.
Refer to the “Wiring Diagram” section.
Are the thermistors and magnet valve
connected the control board?
NO
YES
Did
unit stop
operating?
Replace the thermistor.
YES
Are thermistors connected?
Disconnect wires at control module
terminals”C” and “T”.
Did unit stop operating?
Repair shorted wires between optical
display module and control module.
Test unit.
YES
Does the control
display show an E1
or E2 error?
YES
Reconnect thermistor and/or magnet
valve. Test unit.
NO
YES
Is the magnet valve bad?
YES
NO
Replace thermistor of compartment
that is too cold.
NO
Replace the control module. Test unit.
YES
NOR000956B