FILE NO. SVM-05026
– 60 –
Disconnect the connector and measure the resistance value with
tester. (Normal temp.)
To item of How to judge whether remote controller is good or bad of
the Judgement of trouble by symptom.
Measure the resistance value of each winding coil by using the
tester. (Under normal temp. 25°C)
1 Room temp. (TA) sensor
Heat exchanger (TC) sensor
2 Remote controller
3 Louver motor
24BYJ48
10-8-3. Indoor unit (Other parts)
No. Part name Checking procedure
10°C 20°C 25°C 30°C 40°C
20.7 12.6 10.0 7.9 4.5
White Black
Red
1
2
3
4
5
White
Yellow
Yellow
Yellow
Yellow
Position Resistance value
1 to 4
1 to 6
130
±
10Ω
2 to 3
2 to 5
10-8-4. Outdoor unit
1 Compressor
(Model : DA89X1F-23F)
2 Outdoor fan motor
(Model : HF-240-20B-2)
3 Compressor thermo. Bimetal
type (Model : PW - 2AL)
4 Outdoor temperature sensor
(TO), outdoor heat exchanger
temperature sensor (TE)
No. Part name Checking procedure
Measure the resistance value of each winding by using the tester.
Under 20°C
Measure the resistance value of winding by using the tester.
For details, refer to Section 10-9.
Check conduction by using the tester.
Disconnect the connector, and measure resistance value with the
tester. (Normal temperature)
TGa : Heat pump model only.
TO, TE : Refer to the TA, TC characteristic table in Indoor (Refer to
Table 10-8-3, No.1).
Position Resistance value
Red - White 1.1Ω
White - Black 1.1Ω
Black - Red 1.1Ω
Temperature
Sensor
Position Resistance value
Red - White 720 ~ 920Ω
White - Black 410 ~ 510Ω
Black - Red 310 ~ 410Ω
At 20°C
TA, TC (kΩ)
1
Red
Black
White
4
25
36
Red
Black
White
1 : White 4 : −
2 : − 5 : −
3 : Red 6 : Black