14-5. Simple Check Method for Main Parts

14-5-1. Indoor unit

No.

Part name

 

 

 

 

 

 

Check procedure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Temperature sensor (Ta)

Measure the resistance value with tester by removing the connector.

 

Heat exchanger sensor (Tc)

(Normal temperature)

 

 

 

 

 

 

Heat exchanger sensor (Tcj)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal value

 

10 kto 20 k

 

Refer to Characteristics table.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Louver motor

Measure the resistance value of each winding coil with tester.

 

 

 

MP35EA12

(Under normal temperature 25°C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brown

 

 

 

 

 

 

Position

Resistance value

 

 

 

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Between 1 and 2

 

 

 

 

 

Red

2

2

 

 

 

 

 

 

 

 

 

Orange

3

3

 

 

 

 

Between 1 and 3

130 ± 40

 

 

 

 

Yellow

4

4

 

 

 

 

Between 1 and 4

 

 

 

 

 

Pink

5

5

 

 

 

 

Between 1 and 5

 

 

 

 

 

Blue

6

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 Indoor fan motor

lMeasure the resistance value of each winding coil with tester.

 

(ICF-340-30-1)

lFor P.C. board side, proceed to [11 error] of Troubleshooting procedure for each

 

 

check code.

 

 

 

 

 

 

 

 

Position

 

 

 

 

Resistance value

 

Between ƒ (Black) and (Red)

 

 

(M

)

 

Between ƒ (Black) and (White)

 

 

27 to 47 k

 

Between ƒ (Black) and (Yellow)

 

 

140 to 280 k

 

Between ƒ (Black) and (Blue)

 

 

(M

)

 

Red

1

1

1

1

 

 

 

 

 

 

 

 

2

Circuit

 

 

 

Black

3

3

3

3

 

 

 

 

 

 

 

White

4

4

4

4

 

 

 

 

Yellow

5

5

5

5

 

 

 

 

Blue

6

6

6

6

 

 

 

132

Page 132
Image 132
Toshiba RAV-SM800AT-E, RAV-SM800UT-E Simple Check Method for Main Parts, Indoor unit, 132, Part name Check procedure

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