Daikin FT25DVM - Page 146

Si01-501 Check
Service Diagnosis 137
5.1.3 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=20kΩ B=3950
Temperature (°C)
–20 211.0 (kΩ)
–15 150
–10 116.5
–5 88
067.2
551.9
10 40
15 31.8
20 25
25 20
30 16
35 13
40 10.6
45 8.7
50 7.2