Troubleshooting - Test E, Electronic Unit Thermal Cut-Out - Norcold N1090 Series Service Manual

Troubleshooting, cont'd.

Troubleshooting - Test E, Electronic Unit Thermal Cut-Out

START
Perform Diagnostic Prechecks.
Leave DC supply connected and
remove unit from its enclosure. Max
operational circuit board temperature
is 212° F (100° C).
Inspect unit ventilation. Is ventilation
installed correctly?
Yes
Max operational ambient tempera-
ture is 131° F (55° C). Is ambient
temperature acceptable?
Yes
Did Code 5 return?
No
Repair complete.
Refrigerator Service Manual / Manuel d'entretien du réfrigérateur / Manual de servicio del refrigerador
, test unit.
No
Correct environment, test unit.
No
Replace power control module.
Yes
Five 1/4 second flashes, pause, repeat.
Five (5) 1/4 second fl ashes, pause,
repeat.
Possible Cause:
If the refrigeration system has been too
heavily loaded or the ambient tempera-
ture is high, the electronic unit will run
too hot.
NOR000726e-5a
Modelos N1090 / Modèles N1090 / Modelos N1090
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