Thermistor Resistance Check - Daikin G-Series Service Manual

SiBE12-933_A

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.
Service Diagnosis
Thermistor temperature (°C)
–20
–15
–10
–5
0
5
10
15
20
25
30
35
40
45
50
(k Ω )
150
100
50
-15 0
Resistance (kΩ)
211.0
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
(R25°C = 20 kΩ, B = 3950 K)
Tester
Resistance range
15 30 45
(°C)
Check
215