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Remote controller
Case
Description / where to check
The unit does not receive signals
from the remote controller or has a
low sensitivity.
• The batteries may be exhausted.
Replace all the batteries with new dry batteries AA.LR6 (alkaline).
For details, refer to “Preparation before operation”.
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LCD is faint, is not working, or
displays erratically.
Other electric devices start
operating.
• If the remote controller activates other electric devices, move them away or consult the
service shop.
2 air conditioners start operating at
the same time.
• If you do not want to operate 2 air conditioners at the same time, change the address
setting.
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Display
Case
Description / where to check
The air conditioner is operating
even with the OPERATION lamp
off.
• Is the brightness of the indoor unit lamps set to “Off”?
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The indoor unit lamps are dark.
• Is the brightness of the indoor unit lamps set to “Low”?
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When operation is started, the
OPERATION lamp blinks for a
while and then lights up.
• Check the error code and consult the service shop.
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The TIMER lamp blinks.
• Clean the streamer unit.
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The MOLD PROOF / CLEANING
FILTER lamp blinks.
• Clean the dust box.
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The MOLD PROOF / CLEANING
FILTER lamp blinks even after the
dust box is cleaned.
• Reset the dust box cleaning indicator. If the MOLD PROOF / CLEANING FILTER lamp still
blinks, consult the service shop.
FLASH STREAMER AIR PURIFYING operation
Case
Description / where to check
There is a sign of burning on the
metal section of the streamer unit.
• This is a sign of streamer discharge and normal.
FLASH STREAMER AIR
PURIFYING operation cannot be
performed.
• Is the front panel open?
Close the front panel.
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• Is the streamer unit securely installed?
The sound of streamer discharge
stopped.
• Is the needle tip of the streamer unit dirty?
Clean the needle.
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• Streamer discharge stops when the indoor temperature becomes close to the set
temperature and the airfl ow rate decreases.
INTELLIGENT EYE sensor
Case
Description / where to check
The sensor does not respond.
• The sensor is warming up for about 2 minutes after operation is started. Wait for a while.
• The sensor may not recognise small movements such as those made by sleeping persons
or small children.
• The sensor may not work well if the indoor temperature is high.
• Even if the indoor temperature is low, the sensor may not recognise well persons whose
clothing is cold just after coming back home in winter. The sensor does not work well
especially when the person wears thick clothing.
• The sensor may not work well when a fl oor heating appliance or electric carpet is used.
• Make sure that the front panel is properly attached. If the front panel is not completely
attached, the scope of the INTELLIGENT EYE sensor may become narrower.
• If the front panel is dirty, the sensor may not work. Clean the front panel.
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When the Need Arises
Sec. 5
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