Norcold DC440 - Trouble Shooting - Procedure E; Evaporator Thermistor Check-Out

7
Three Pole Connector
Measure Resistance
Figure 6 - Evaporator Thermister Figure 7 -Evaporator Thermister
Table 1
Turn the refrigerator to OFF to measure resistance
of the Evaporator Thermistor.
Disconnect the three pole connector (Figure 6)
Measure resistance (Figure 7).
The Evaporator Thermistor is checked by measur-
ing the temperature and resistance of the Ther-
mistor (Table 1).
Thermister Check-Out
Trouble Shooting - Procedure E
Ω = openThermistor windings. An open
Thermistor will stop compressor operation.
Replace Thermistor.
1.6K - 29K Ω = good Thermistor.
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0K7.9K7.01-K7.8
01K8.7K6.8-K0.7
02K4.6K0.7-K7.5
03K3.5K7.5-K8.4
04K5.4K9.4-K0.4
05K6.3K0.4-K2.3
06K8.2K1.3-K5.2
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08K9.1K0.2-K7.1
09K8.1K9.1-K6.1