WHEN YOU THINK THAT TROUBLE HAS OCCURRED
Even if these items are checked, when the unit does not recover from the trouble, stop using the air conditioner and consult your dealer.
Symptom | Explanation & Check points | ||
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Indoor Unit |
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The unit cannot be operated. | • Is the breaker turned on? | ||
| • Is the power supply plug connected? | ||
| • Is the ON timer set? |
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| Page 6 | ||
Symptom |
| Explanation & Check points | |||
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Remote controller |
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The display on the remote | • Are the batteries exhausted? | Page 3 |
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controller does not appear | • Is the polarity (+, | ||||
or it is dim. The indoor unit |
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| Page 3 | ||||
does not respond to the | • Are any buttons on the remote controller of | ||||
remote control signal. |
| other electric appliances being pressed? | |||
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Does not cool
The unit cannot be operated | • This protects the unit according to instruc- |
for about 3 minutes when | tions from the microprocessor. Please |
restarted. | wait. |
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The fan stops during the DRY | • In DRY operation, the unit operates using |
operation. | the same refrigerant circuit as in COOL |
| operation. DRY operation time has to be |
| reduced in order to lower humidity without |
| much room temperature decreasing. So |
| the compressor sometimes stops, and at |
| the same time the indoor fan stops. This |
| prevents water condensed on the heat |
| exchanger from evaporating again. |
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Mist is discharged from the air | • The cool air from the unit rapidly cools mois- |
outlet of the indoor unit. | ture in the air inside the room, and it turns |
| into mist. |
The room cannot be cooled sufficiently.
•Is the temperature setting appropriate? Page 4
•Is the fan setting appropriate? Please change fan speed to higher setting.
•Are the filter clean? Page 7
•Is the fan or heat exchanger of the indoor unit clean?
•Are there any obstacles blocking the air inlet or outlet of the indoor or outdoor unit?
•Is a window or door open?
•When a ventilation fan or a gas cooker is used in a room, the cooling load increases, resulting in an insufficient cooling effect.
•When the outside temperature is high, the cooling effect may not be sufficient.
The swing operation of the | • This is for the swing operation of the HORI- | ||
HORIZONTAL VANE is | ZONTAL VANE to be performed normally. | ||
suspended for a while, then |
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restarted. |
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The air flow direction changes | • When the unit is operated in COOL or DRY | ||
during operation. | mode, if the operation continues with air | ||
The direction of the horizontal | blowing down for 0.5 to 1 hour, the direction | ||
vane cannot be adjusted with | of the air flow is automatically set to position | ||
the remote controller. | (1) to prevent water from condensing and | ||
| dripping. | ||
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The unit starts operation by | • These models are equipped with an auto re- | ||
itself when the main power | start function. When the main power is turned | ||
is turned on, though it isn’t | off without stopping the unit with the remote | ||
operated with the remote | controller and is turned on again, the unit | ||
controller. | starts operation automatically in the same | ||
| mode as the one set with the remote control- | ||
| ler just before the shutoff of the main power. | ||
| Refer to “Auto restart function” | page 4 | . |
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Outdoor Unit |
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Water leaks from the outdoor | • During COOL and DRY operations, pipe or | ||
unit. | pipe connecting sections are cooled and this | ||
| causes water to condense. | ||
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Airflow
The air from the indoor unit | • Are the filter clean? |
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Page 7 | |||
smells strange. | • Is the fan or heat exchanger of the indoor unit | ||
| clean? | ||
| • The unit may suck in an odor adhering to the | ||
| wall, carpet, furniture, cloth, etc. and blow it | ||
| out with the air. | ||
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Sound |
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Cracking sound is heard. | • This sound is generated by the expansion/ | ||
| contraction of the front panel, etc. due to | ||
| change in temperature. | ||
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The sound as burbling is | • This sound is heard when the outside air is | ||
heard. | absorbed from the drain hose by turning on | ||
| the range hood or the ventilation fan, making | ||
| water flowing in the drain hose to spout out. | ||
| This sound is also heard when the outside air | ||
| blows into the drain hose in case the outside | ||
| wind is strong. | ||
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Mechanical sound is heard | • This is the switching sound in turning on/off | ||
from the indoor unit. | the fan or the compressor. | ||
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The sound of water flowing | • This is the sound of refrigerant or condensed | ||
is heard. | water flowing in the unit. | ||
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In the following cases, stop using the air conditioner and consult your dealer.
•When water leaks or drips from the indoor unit.
•When the upper operation indicator lamp blinks.
•When the breaker trips frequently.
•The remote control signal is not received in a room where an electronic ON/OFF type fluorescent lamp
•Operation of the air conditioner interferes with radio or TV reception. An ampli- fier may be required for the affected device.
•When an abnormal sound is heard.
