www.norcold.com/cda
50
Refrigerator Service Manual
NX6 / NX8 / NXA Models
Cooling System Diagnostic Flowchart
Check cooling unit.
Correct ventilation to meet
installation requirements
.
Contact Customer Service
for further instructions
YES
YES
NO
Check heat input.
NO
NO
NO
Correct heat input device to
meet specifications
.
YES
NO
Level refrigerator as outlined
in
Owner's Manual
and
specifications.
YES
Continued on following page
YES
Replace cooling unit.
Reset Thermal Switch and
monitor carefully for
normal operation
Refrigerator
operating leveled?
Ventilation as
per installation
instructions?
Is
Cooling Unit
equipped with high
temp thermal
switch?
YES
NO
Has
thermal
switch been
tripped
before?
Any signs of leak?
Heat input device
operating within
specification?
Cooling Unit - cont’d.
!
WARNING
Do not bypass or modify
the refrigerator’s controls or components
to diagnose the cooling system. Do not wire the heater(s) direct.
The heater is supplied power through a fused circuit.
!
WARNING
Do not operate
the refrigerator if
the cooling unit is leaking or a leak is
suspected.
Fig. 40 - Cooling System Diagnostics
