Toshiba RAS-10UKV-E Service Manual page 62

10-8-3. Indoor unit (Other parts)
No. Part name
Room temp. (TA) sensor
1
Heat exchanger (TC) sensor
Remote controller
2
Louver motor
3
MP24GA
ndoor fan motor
4 I
10-8-4. Outdoor unit
No. Part name
Compressor
1
(Model : DA89X1F-20D)
Outdoor fan motor
2
(Model : UE6-21SS5PA)
Compressor thermo. Bimetal
3
type (Model : PW - 2AL)
Outdoor temperature sensor
4
(TO), outdoor heat exchanger
temperature sensor (TE)
Checking procedure
Disconnect the connector and measure the resistance value with
tester. (Normal temp.)
Temperature
Sensor
TA, TC (kΩ)
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
White
Yellow
2
Yellow
3
Yellow
4
Yellow
5
Since judgement of DC motor is difficult on the single motor, refer to
10-5-1. (3).
Checking procedure
Measure the resistance value of each winding by using the tester.
Red
White Black
Measure the resistance value of winding by using the tester.
Red
Red 1 1
Black
3 3
Black White
White 5 5
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).
– 61 –
FILE NO. SVM-02007
10°C 20°C 25°C
20.7 12.6 10.0
Position Resistance value
1 to 4
1 to 6
2 to 3
2 to 5
Position Resistance value
Red - White 0.51 to 0.57Ω
White - Black 0.51 to 0.57Ω
Black - Red 0.51 to 0.57Ω
Position Resistance value
Red - White
White - Black
Black - Red
For details, refer to Section 10-9.
30°C 40°C
7.9 4.5
130 ± 10Ω
Under 20°C
620 ~ 820Ω
310 ~ 410Ω
310 ~ 410Ω
At 20°C