Fault Code - Thermistor Fault - Norcold Polar N7V Service Manual

TROUBLESHOOTING FLOWCHARTS - N7X AND N8X MODELS, cont'd.

Fault Code - Thermistor Fault

Is
NO
thermistor
wire plugged
in?
YES
Check thermistor wire
assembly and connctor
for broken/dirty connections.
Are
NO
wires and
connector
good?
YES
NOR000711A
Temperature* (°F)
85
80
75
70
60
50
40
35
33
32
* Approximate values
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Plug in thermisor wire.
Clean or repair as needed.
Check resistance at thermistor connector
with the thermistor packed in ice.
Resistance* (k Ω)
8.1 - 9.0
9.1 - 10.0
10.1 - 11.0
11.1 - 12.0
12.1 - 13.0
15.5 - 16.5
22.5 - 23.5
24.5 - 25.5
28.5 - 29.5
30.0 - 32.0
NORCOLD
Temperature setting snowflake(s) flash on/off at one (1)
second intervals anytime the user interface (control) is
"awake".
35
A
MODE
Possible Cause:
The thermistor has been sensed as
inoperable, so temperature is being con-
trolled via backup operating system.
SERVICE MANUAL