Checks; How To Check - Daikin FTXD60JV1B User Manual

SiBE04-101.book Page 119 Monday, October 15, 2001 3:08 PM
SiBE04-101

5. Checks

5.1

How to Check

5.1.1 Thermistor Resistance Check
Check No.1 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.
Temperature (˚C)
-20
-15
-10
-5
0
5
10
15
20
25
30
35
40
45
50
Service Diagnosis
Thermistor R25˚C=20kΩ B=3950
211.0 (kΩ)
150
116.5
88
67.2
51.9
40
31.8
25
20
16
13
10.6
8.7
7.2

Checks

119