Symptom
The air
Power failure or after power failure
conditioner does
not operate
The operation (power) button is turned off.
although the
power is turned
on.
Fuse blow out.
The air intake or air outlet of indoor and
outdoor units is clogged with dust.
The fan speed switch is set to "Low".*
Improper temperature settings
The room is exposed to direct sunlight in
Poor cooling
cooling mode.
or heating
Doors or windows are open.
performance
The air filter is clogged.
Too many heat sources in the room in
cooling mode.
Too many people in the room in cooling
mode.
* Regarding the remote control display, see the page 83.
If your air conditioner does not work properly even after checking each item of
"Before Requesting Services" and "Troubleshooting"
Stop the operation immediately and turn the power off. Then contact your dealer and report the serial number and symptom.
z
You also report if the inspection mark
remote controller.
Never repair the air conditioner by yourself since it is very dangerous for you to do so.
z
Heating performance
Since this air conditioner utilizes outside air for heating,
z
its heating performance deteriorates as outside tempera-
ture decreases.
(Due to heat pump system)
→In that case, use another heating appliance.
Defrosting
This appliance may start defrosting operation to melt
z
frost formed in the outdoor unit.
D efrosting starts
: The indoor unit fan stops (or the
speed becomes extremely slow).
→"
" (STANDBY) appears.
H eating operation resumes after several
minutes
: The indoor unit fan remains stopped (or
it will run at a very slow speed) until the indoor heat
exchanger coil warms up sufficiently.
→ " " (STANDBY) is shown.
Defrosting is complete
operation.
→ "
" (STANDBY) disappears.
Before Requesting Services
Cause
and the letters E, F, H, L, P in combination with numbers appear on the LCD of the
Operation Mechanism
: The indoor unit fan starts
Press the power ON/OFF button on the remote controller.
• If the breaker is turned off, turn the power on.
• If the breaker has been tripped, consult your dealer
without turning it on.
Contact your dealer.
Remove the dust.
Change to "Medium" or "High".*
See "Tips for Energy Saving". (P.5)
See "Maintenance". (P.7)
Use minimum heat sources and in a short time.
Lower the temperature setting or change to "Medium" or
"High".*
''DRY'' operation
Once the room temperature reaches the level that was
z
set, the outdoor unit repeats the cycle of turning on and
off automatically.
When the outdoor unit is turned off, the indoor unit fan
z
will stop, too.
(To prevent the humidity in the room from rising again)
When the room temperature is more likely to reach the
z
level that was set, the fan speed is set to ''breeze'' (light
wind) automatically.
Should the power failure occurs while the
unit is running
When the unit automatically resumes operation after
temporary power failure, it uses the same settings before
the power was cut off.
Action
E
NGLISH
9