Troubleshooting
If the air conditioner operates abnormally, refer to the following chart to save time and unnecessary expenses.
| Problem | Solution | |
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| • Check the power status, then operate the air conditioner again. | |
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| • Switch on the circuit breaker, plug in the power cord, then operate the air | |
| The air conditioner does | conditioner again. | |
| not work at all. | • Make sure that the isolator is turned on. | |
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| • Check whether the Timed off function is running. Operate the air | |
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| conditioner again by pressing the Power button. | |
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| I cannot change the | • Check whether the Fan or Fast mode is running. In these modes, the air | |
| conditioner controls the set temperature automatically, and you cannot | ||
| temperature. | ||
| change the set temperature. | ||
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| • Check whether the set temperature is higher in the Cool mode than the | |
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| current temperature. Press the Temperature button on the remote control | |
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| to change the set temperature. | |
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| • Check whether the air filter is blocked with dirt. If the air filter is blocked, | |
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| the cooling performance may decrease. Remove dirt regularly. | |
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| • Check whether the outdoor unit is covered or installed near obstacles. | |
| Cool air does not come out | Remove the coverings and obstacles. | |
| of the air conditioner. | • Check whether doors or windows are open. This may cause poor cooling | |
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| performance. Close the doors and windows. | |
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| • Check whether the air conditioner is turned on immediately after the | |
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| cooling operation stops. In this case, only the fan runs to protect the | |
Cleaning |
| outdoor unit compressor. | |
| • Check whether the pipe length is too long. When the pipe length exceeds | ||
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| the maximum pipe length, the cooling performance may decrease. | |
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and | I cannot change the air | • Check whether the good'sleep function is running. While this function is | |
flow direction. | running, you cannot control the air flow direction. | ||
| • When the Auto, Dry, or Fast mode is running or the good'sleep function | ||
Maintenance | The remote control does | ||
• Make sure that nothing is blocking the remote control sensor. | |||
| I cannot change the fan | is running in the Cool mode, the air conditioner controls the fan speed | |
| speed. | automatically and you cannot change the fan speed. | |
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| • Replace the batteries in the remote control with new ones. | |
| not work. | • Check whether there are strong lighting apparatus near the air | |
| conditioner. Strong light which comes from fluorescent bulbs or neon | ||
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| signs may interrupt the electric waves. | |
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| The Timed on/off function | • Check whether you pressed the SET button on the remote control after | |
| does not work. | setting the time. | |
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