| Indoor unit |
| Outdoor unit | |
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Red LED | 3 time flash | Red LED |
| Stays OFF |
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Green LED | Keeps flashing | Green LED |
| Keeps flashing |
Note (1) The green LED in the outdoor unit is used in the FDCA301 ~ 601 models only.
Remote | NO |
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controller wiring |
| Correction |
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connect check (Red· |
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White·Black) |
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| OK |
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(1) | YES |
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Approximately |
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10 ~ 11 V between |
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| Power supply reset |
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X and Z. |
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NO Note (1) Z is GND.
Remote controller wire
is removed
YES
NO
Normal?
YES
Maltifunction by accidental noise
Remote controller wire disconnection?
Remote controller defective
Remeasure YES between X~Z. 
10~11V.
NO
Remote controller wire short circuit?
Remote controller defective
Only case of FDT
| (2) |
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Is the voltage | NO | Check the | OK | Replacement indoor unit power |
between CNW8 |
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| supply PCB | |||
12V? |
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| Note (2) 3 is GND. |
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YES |
| NG |
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| Harness exchange |
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Replacement indoor
unit control PCB
- 13 -
