SiENBE18-621
Troubleshooting for SkyAir Indoor Unit
Troubleshooting
299
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
Unit : k
Ω
Temperature
°C
A
B
-6.0
90.8
88.0
-4.0
81.7
79.1
-2.0
73.5
71.1
0.0
66.3
64.1
2.0
59.8
57.8
4.0
54.1
52.3
6.0
48.9
47.3
8.0
44.3
42.9
10.0
40.2
38.9
12.0
36.5
35.3
14.0
33.2
32.1
16.0
30.2
29.2
18.0
27.5
26.6
20.0
25.1
24.3
22.0
23.0
22.2
24.0
21.0
20.3
26.0
19.2
18.5
28.0
17.6
17.0
30.0
16.2
15.6
32.0
14.8
4.2
34.0
13.6
13.1
36.0
12.5
12.0
38.0
11.5
11.1
40.0
10.6
10.3
42.0
9.8
9.5
44.0
9.1
8.8
46.0
8.4
8.2
48.0
7.8
7.6
50.0
7.2
7.0
52.0
6.9
6.7
54.0
6.2
6.0
56.0
5.7
5.5
58.0
5.3
5.2
Application
!
Heat exchanger
(Indoor/Outdoor units)
!
Suction air
!
Remote control
!
Air
!
Outdoor air
!
Suction pipe
!
Radiator fin
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...