Test D, Minimum Motor Speed Error - Norcold N10DCX Service Manual

Troubleshooting Compressor Control Module, cont'd.

Test D, Minimum Motor Speed Error

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Complete the "Diagnostic Pre-Checks."
Remove refrigerator from enclosure,
but keep DC power supply connected.
Make sure the:
- Upper and lower vents are not
blocked.
- The refrigerator is not overloaded
with hot items.
- The ambient operating temperature
is lower than 110°F (43° C).
Is
NO
VDC
10.4 - 15.4?
YES
Is
YES
unit
overloaded?
NO
Is fan
YES
operating,
coils clean/not
blocked?
NO
Correct input voltage.
Reduce load on unit.
Replace the refrigerator.
Replace control module.
15
SERVICE MANUAL