2. TROUBLESHOOTING
2-1 ERROR DISPLAY
Please refer the flashing pattern as follows. Indoor Unit : ASU09/ 12RL2
The Operation, Timer and Economy lamps operate as follows according to the error contents.
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| Indoor Unit Display |
| Trouble | ||
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Error Contents | Operation [ |
| ] | Timer [ ] | Economy [ ] | shooting |
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| (Green) |
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| (Orange) | (Green) |
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Serial communication error | 1 times |
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| 1 times | Continuous | 1 |
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Indoor unit PCB model information error | 3 times |
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| 2 times | Continuous | 2 |
Manual auto switch error | 3 times |
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| 5 times | Continuous | 3 |
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Room temp. sensor error | 4 times |
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| 1 times | Continuous | 4 |
Indoor unit Heat Ex. middle temp. | 4 times |
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| 2 times | Continuous | 5 |
sensor error |
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Indoor unit fan motor error | 5 times |
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| 1 times | Continuous | 6 |
Outdoor unit main PCB model | 6 times |
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| 2 times | Continuous | 7 |
information error or communication error |
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PFC circuit error | 6 times |
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| 4 times | Continuous | 8 |
Trip terminal L error | 6 times |
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| 5 times | Continuous | 9 |
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Discharge temp. sensor error | 7 times |
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| 1 times | Continuous | 10 |
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Outdoor unit Heat Ex. liquid temp. | 7 times |
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| 3 times | Continuous | 11 |
sensor error |
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Outdoor temp. sensor error | 7 times |
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| 4 times | Continuous | 12 |
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Current sensor error | 8 times |
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| 4 times | Continuous | 13 |
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Trip detection | 9 times |
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| 4 times | Continuous | 14 |
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Compressor rotor position detection error | 9 times |
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| 5 times | Continuous | 15 |
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Outdoor unit fan motor error | 9 times |
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| 7 times | Continuous | 16 |
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9 times |
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| 9 times | Continuous | 17 | |
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Discharge temp. error | 10 times |
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| 1 times | Continuous | 18 |
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