Daikin E-Series Service Manual page 362

SiAU18-715
Check No. 02 Check for Thermistors
Disconnect the thermistor connector from PCB, then measure the resistance by using a tester.
Thermistor temperature and resistance characteristics
Temperature
Application
Troubleshooting
A
°C
-6.0 90.8
-4.0 81.7
-2.0 73.5
0.0 66.3
2.0 59.8
4.0 54.1
6.0 48.9
8.0 44.3
10.0 40.2
12.0 36.5
14.0 33.2
16.0 30.2
18.0 27.5
20.0 25.1
22.0 23.0
24.0 21.0
26.0 19.2
28.0 17.6
30.0 16.2
32.0 14.8
34.0 13.6
36.0 12.5
38.0 11.5
40.0 10.6
42.0 9.8
44.0 9.1
46.0 8.4
48.0 7.8
50.0 7.2
52.0 6.9
54.0 6.2
56.0 5.7
58.0 5.3
Heat exchanger
(Indoor/Outdoor units)
Suction air
Remote controller
Air
Outdoor air
Suction pipe
Troubleshooting for SkyAir Indoor Unit
Unit : kΩ
B
88.0
79.1
71.1
64.1
57.8
52.3
47.3
42.9
38.9
35.3
32.1
29.2
26.6
24.3
22.2
20.3
18.5
17.0
15.6
4.2
13.1
12.0
11.1
10.3
9.5
8.8
8.2
7.6
7.0
6.7
6.0
5.5
5.2
Radiator fin
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