Thermistor Resistance Check - Daikin FTXS09HVJU Service Manual

SiUS04-904

5.1.4 Thermistor Resistance Check

Check No.06 Remove the connectors of the thermistors on the PCB, and measure the resistance of each
thermistor using tester.
The relationship between normal temperature and resistance is shown in the graph and the table
below.
Temperature (°F)
4
5
14
23
32
41
50
59
68
77
86
95
104
113
122
146
Thermistor R77°F=20k B=3950
211.0 (k)
150.0
116.5
88.0
67.2
51.9
40.0
31.8
25.0
20.0
16.0
13.0
10.6
8.7
7.2
Check
Service Diagnosis