– 35 –
WARNING
WARNING
REGULAR INSPECTION
1
2
3
Check to see if the unit’s earth line has been connected
correctly.
If the earth line is disconnected or faulty, unit failure or electric
shock hazard may result.
Check to see if the mounting frame has rusted excessively
or if the outdoor unit has tilted or become unstable.
It could collapse or fall, causing injury.
PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR SALES
AGENT SHOULD YOU NEED ANY HELP.
Check to see if the power plug is securely inserted into the
wall socket.
If the power plug is not inserted into the wall socket securely, it
will become hot and an electric shock or fire may occured. If dust
or dirt is found on the power plug, clean the plug and insert it into
the wall socket.
WARNING
AFTER SALES SERVICE AND WARRANTY
STNIOP GNIWOLLOF EHT KCEHCNOITIDNOC
• Do the batteries need replacement?
• Is the polarity of the inserted batteries correct?
• Is the air filter blocked with dust?
• Is the set temperature suitable?
• Have horizontal air deflectors been adjusted to their correct positions
according to the operation mode selected?
• Are the air inlets or air outlets of indoor and outdoor units blocked?
• Is the fan speed “LOW” or “SILENT”?
• Is the fuse all right?
• Is the voltage extremely high or low?
• Is the circuit breaker “ON”?
• Is the power plug inserted?
• Do you have any power cut?
When it does not operate.
When it does not cool well.
When it does not heat well.
If the remote controller is not
transmitting a signal.
(Remote controller display is
dim or blank.)
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS.
The following phenomena do not indicate unit failure.
<Operation start>
The unit is preparing to blow warm air. Please wait.
<In operation>
The outdoor unit is defrosting. Please wait.
Hissing or fizzy sounds
Refrigerant flow noise in the pipe or valve sound generated when flow rate is
adjusted.
.segnahc erutarepmet ot eud stcartnoc ro sdnapxe tinu eht nehw detareneg esioNesion gnikaeuqS
Rustling noise
Noise generated with the indoor unit fan’s rpm changing such as operation start
times.
.no dehctiws si tinu eht nehw evlav dezirotom eht fo esioNesion gnikcilC
During heating, the operation indicator
blinks and air blow stops
RAS-10_14JH3_Ope_EN 05/12/2008, 04:44 pm35
– 36 –
Perking noise
Noise of the ventilation fan sucking in air present in the drain hose and blowing out
dehumidifying water that had accumulated in the condensed water collector. For
details, consult your sales agent.
Changing operation noise
Operation noise changes due to power variations according to room temperature
changes.
Mist emission Mist is generated as the air within the room is suddenly cooled by conditioned air.
Steam emitted from the outdoor unit Water generated during defrosting operation evaporates and steam is emitted.
Odors
Caused as the smells and particles of smoke, food, cosmetics, etc. present in room
air become attached the unit and blown off into the room again.
Defrosting is underway (as the heating operation is stopped, the microcomputer
checks frost accumulated in the indoor unit and instructs the unit to perform
automatic defrosting if necessary).
Shows preheating or defrosting operation is underway.
As the protective circuit or preheat sensor operates when unit operation is stopped
during preheating and then restarted, or when operation mode is switched from
cooling to heating, the lamp continues to blink.
Actual room temperature may deviate slightly from the remote controller’s temperature
setting depending on the number of people in the room, indoor or outdoor conditions
when the air conditioner is used for more than one room at the same time.
• If the unit still fails to operate
normally after performing the
above inspections, turn the circuit
breaker off and contact your sales
agent immediately.
• Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above inspections.
Inform your agent of the model of your unit, production number, date of installation. Please also inform him regarding
the fault.
( )
Contact your sales agent immediately if the following
phenomena should occur:
• The circuit breaker switches off or the fuse blows
frequently.
• The switch operation is not stable.
• Foreign matter or water accidentally enters the unit interior.
• The power cord gets excessively hot or its insulation is torn or stripped.
• TIMER lamp or FILTER lamp on the indoor unit indicators blinks.
As the nature of the failure can be identified by the blinking cycle, check
the blinking cycle before turning off the circuit breaker.
Notes
• In quiet operation or stopping the running, the following phenomena may occasionally
occur, but they are not abnormal for the operation.
(1) Slight flowing noise of refrigerant in the refrigerating cycle.
(2) Slight rubbing noise from the fan casing which is cooled and then gradually
warmed as operation stops.
• The odor will possibly be emitted from the room air conditioner because the various
odor, emitted by smoke, foodstuffs, cosmetics and so on, sticks to it. So please clean
the air filter and the evaporator regularly to reduce the odor.
The outdoor unit continues to operate
even if operation is stopped.
The OPERATION lamp is blinking.
Does not reach the temperature
setting.
Please note:
On switching on the equipment, particularly when the room light is dimmed, a slight brightness fluctuation may
occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.
RAS-10_14JH3_Ope_EN 05/12/2008, 04:44 pm36
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