8-4. Trouble criterion of main parts
MSH-A18ND
MSH-A24ND
Part name |
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Room temperature | Measure the resistance with a tester. |
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thermistor (RT11) | (Part temperature 10˚C ~ 30˚C) |
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Indoor coil thermistor |
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| Normal |
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(RT12(main), RT13(sub)) |
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| 8 k" ~ 20 k" |
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| Measure the resistance between the terminals with a tester. | |||||||
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| (Part temperature 10˚C ~ 30˚C) |
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Indoor fan motor(MF) |
| Color of |
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| Normal |
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Motor |
| lead wire |
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| WHT – BLK |
| 198 " ~ 214 " |
| 132 " ~ 144 " |
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| BLK – RED |
| 209 " ~ 227 " |
| 152 " ~ 166 " |
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INNER FUSE |
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145: CUT OFF |
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part | Measure the voltage power ON. |
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INNER |
| Color of lead wire |
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| Normal |
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PROTECTOR |
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Sensor |
| BRN – YLW |
| 4.5 ~ 5.5V |
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135i 5: OPEN |
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| YLW – GRY |
| (When fan revolved one time) |
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| 0V➔5V➔0V |
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| (Approx.) |
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Horizontal vane |
| Measure the resistance between the terminal with a tester. | |||||||||
| (Part temperature 10° | C ~ 30° C) |
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motor(MV1) |
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Vertical vane |
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| Normal |
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motor(MV2) |
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| 282" ~ 306 " |
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Figure
MAIN
AUX
FUSE 
BLK BRN YLW GRY RED | WHT |
MAIN
AUX.
P |
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BLK BRN YLW GRY RED | WHT |
RED ROTOR
YLW
BRN
ORN GRN
P :INNER PROTECTOR
13