17
7. Trouble Shooting
Having trouble?
Here is the solution. (Unit is operating normally.)
Air conditioner operates without the ON/OFF button being pressed.
■
Is the on timer set?
Press the ON/OFF button to stop operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
” appear in the remote controller display?
Consult the concerned people who control the air conditioner.
■
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
Air conditioner stops without the ON/OFF button being pressed.
■
Is the off timer set?
Press the ON/OFF button to restart operation.
■
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the air conditioner.
■
Does “
” appear in the remote controller display?
Consult the concerned people who control the air conditioner.
Remote controller timer operation cannot be set.
■
Are timer settings invalid?
If the timer can be set,
or
appears in the remote controller display.
“PLEASE WAIT” appears in the remote controller display.
■
The initial settings are being performed. Wait approximately 3 minutes.
An error code appears in the remote controller display.
■
The protection devices have operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name and information that appeared
in the remote controller display.
Draining water or motor rotation sound is heard.
■
When cooling operation stops, the drain pump operates and then stops.
Wait approximately 3 minutes.
The vanes do not move or the indoor unit does not respond to input from
the wireless remote controller.
■
The junction wire connectors of the vane motor and signal receiver may
not be connected correctly. Have an installer check the connections. (The
colors of the male and female sections of the junction wire connectors
must match.)
Noise is louder than speci
fi
cations.
■
The indoor operation sound level is affected by the acoustics of the
particular room as shown in the following table and will be higher than
the noise speci
fi
cation, which was measured in an echo-free room.
High sound-
absorbing
rooms
Normal rooms
Low sound-
absorbing
rooms
Location
examples
Broadcasting
studio, music
room, etc.
Reception
room, hotel
lobby, etc.
Of
fi
ce, hotel
room
Noise levels
3 to 7 dB
6 to 10 dB
9 to 13 dB
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
■
The batteries are low.
Replace the batteries and press the Reset button.
■
If nothing appears even after the batteries are replaced, make sure that
the batteries are installed in the correct directions (+, –).
The operation lamp near the receiver for the wireless remote controller on
the indoor unit is
fl
ashing.
■
The self diagnosis function has operated to protect the air conditioner.
■
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name.
The wireless remote controller does not operate (the indoor unit beeps
4 times).
■
Switch the auto mode setting to the AUTO (single set point) mode or
AUTO (dual set point) mode. For details, refer to the included Notice
(A5 sheet) or the Installation Manual.
Installation place
Avoid installing the air conditioner in the following places.
• Where
fl
ammable gas could leak.
Caution:
Do not install the unit where
fl
ammable gas could leak.
If gas leaks and collects around the unit, it may cause an explosion.
• Where there is much machine oil.
• Salty place such as the seaside.
• Where sul
fi
de gas is generated such as a hot spring.
• Where there is oil splashing or much oily smoke.
8. Installation, relocation and inspection
Inverter type
fl
uorescent lamp
To prevent the effect
of a
fl
uorescent lamp,
keep it away as far
apart as possible.
To prevent picture
distortion or
noise, keep 1 m
or more apart.
Radio
100 mm or
more
400 mm
or more
Well-
ventilated dry
place
Wall, etc.
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