Check; Thermistor Resistance Check - Daikin 2MKS40G2V1B Service Manual

Check

8. Check

8.1

Thermistor Resistance Check

Check No.01 Disconnect the connectors of the thermistors from 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.
261
Thermistor temperature (°C)
–20
–15
–10
–5
0
5
10
15
20
25
30
35
40
45
50
(kΩ)
150
100
50
For the models in which the thermistor is directly mounted on the PCB, disconnect the
connector for the PCB and measure.
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)
-15 0 15 30
RTH1
Tester
(R3460)
45
(˚C)
(R11905)
Tester
Resistance range
(R11906)
Service Diagnosis
SiBE12-816_D