Daikin FTKS20D3VMW, Service Manual

Page: 290 / 355

SiENBE12-713 Check
Service Diagnosis 279
6.1.5 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.
Thermistor R25°C=20k
Ω
B=3950
Temperature (°C)
-20 211.0 (k
Ω
)
-15 150
-10 116.5
-5 88
0 67.2
5 51.9
10 40
15 31.8
20 25
25 20
30 16
35 13
40 10.6
45 8.7
50 7.2