Test G, Refrigerator Gets Too Cold - Norcold N8DCX Service Manual

Troubleshooting Symptoms, cont'd.

Test G, Refrigerator Gets Too Cold

Complete the "Diagnostic
Pre-checks."
Does the control
display show an E1
or E2 error?
Are thermistors connected?
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?
Replace thermistor of compartment
that is too cold.
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YES
NO
Reconnect thermistors. Test unit.
YES
NO
Reconnect thermistor and/or magnet
valve. Test unit.
YES
Disconnect wires at control module
terminals"C" and "T".
Did unit stop operating?
Is the magnet valve bad?
Replace the control module. Test unit.
YES
Did
YES
unit stop
Replace the thermistor.
operating?
NO
YES
NO
YES
NO
19
Repair shorted wires between optical
display module and control module.
Test unit.
Replace the refrigerator.
SERVICE MANUAL