Troubleshooting Guide
Self-diagnosis
Self-diagnosis1. The malfunction indicator of indoor (see the operating LED of the INDOOR)
Error | The cause of malfunction | Malfunction indicator | The operating state | |
Code | ||||
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1 | Indoor TH. is short or open. | The operating LED will be blink- | Keep operating state. | |
| ing once. |
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2 | Outdoor TH. is short or open. | The operating LED will be blink- | Keep operating state. | |
| ing twice. |
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4 | Temp. of Heat sink is over 95°C. | The operating LED will be blink- | Restart compressor when Heat sink | |
/Heat sink TH. is short or open. | ing 4 times. | Temp is 85°C below. | ||
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5 | Comunication error (serial | The operating LED will be blink- | The operation is off(enable to restart | |
comunication). | ing 5 times. | by remote controller). | ||
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6 | DC peak error. | The operating LED will be blink- | Compressor will be turned off immediately. | |
| ing 6 times. | (not enable to restart by remote controller) | ||
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7 | Running current is over- | The operating LED will be blink- | Compressor will be turned off immediately. | |
loaded. (CT2) | ing 7 times. | (not enable to restart by remote controller) | ||
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8 | Indoor fan lock error | The operating LED will be blink- | The operation is off(enable to restart | |
(BLDC fan model) | ing 8 times. | by remote controller). | ||
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9 | Outdoor fan lock error | The operating LED will be blink- | The operation is off(enable to restart | |
(BLDC fan model) | ing 9 times. | by remote controller). | ||
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| The operating LED will be blink- | Compressor will be turned off immediately. | ||
10 | (restart compressor when | |||
| ing 10 times. | |||
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| recovred) | ||
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❈Error code ➅, ➆ can’t be operated unless the power cord is removed.
2.The malfunction indicator of outdoor (see the LED01M on the outdoor PCB ass’y)
Error | The cause of malfunction | Malfunction indicator | The operating state | |
Code | ||||
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2 | Indoor TH. is short or open. | The LED01M will be blinking | Keep operating state. | |
| twice. |
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4 | Temp. of Heat sink is over 95°C, | The LED01M will be blinking 4 | Restart compressor when heat sink | |
or Heat sink TH. is shortor open. | times. | Temp. is 85°C below. | ||
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5 | Comunication error (serial | The LED01M will be blinking 5 | The operation is off(enable to restart | |
comunication). | times. | by remote controller). | ||
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6 | DC peak error. | The LED01M will be blinking 6 | Compressor will be turned off immediately. | |
| times. | (not enable to restart by remote controller) | ||
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7 | Running current is over- | The LED01M will be blinking 7 | Compressor will be turned off immediately. | |
loaded. | times. | (not enable to restart by remote controller) | ||
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9 | Outdoor fan lock error | The LED01M will be blinking 9 | The operation is off(enable to restart | |
(BLDC fan model) | times. | by remote controller). | ||
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| The LED01M will be blinking 10 | Compressor will be turned off immediately. | ||
10 | (restart compressor when | |||
| times. | |||
| recovered) | |||
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Service Manual 67
