NEC RSC1812 Owner'S Manual Download Page 21

Page: 21 / 22

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Before you call for service...

tio

ain

• Have you made a

mistake in timer
operation?

• Has the fuse blown or

has the circuit breaker
been tripped?

• Check that this is not a

damp smell exuded by
the walls, carpet,
furniture, or cloth items
in the room.

• Condensation occurs

when the airflow from
the air conditioner cools
the warm room air.

NOTE

WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.

The indoor side is not water resistant and should not be exposed to excess water.

Check the following points before requesting repairs or service.... If the fault persists,
please contact your dealer or service center.

Does not operate.

The room has a
peculiar odor.

It seems that
condensation is leaking
from the air conditioner.

Air conditioner does not
operate for about 3
minutes when restarted.

Does not cool or heat

effectively.

The air conditioner

operation is noisy.

Remote control display

is faint, or no display

at all.

Crack sound is heard.

• Is the air filter dirty?

See air filter cleaning
instructions. (Refer to
page 18)

• The room may have

been very hot when the
room air conditioner
was first turned on.
Allow time for it to cool
down.

• Has the temperature

been set incorrectly?

• Are the indoor unit's air

inlet or outlet vents
obstructed?

• For a noise that sounds

like water flowing.

-This is the sound of

freon flowing inside the
air conditioner unit.

• For a noise that sounds

like the compressed air
releasing into
atmosphere.

-This is the sound of

the dehumidifying
water being processed
inside the air
conditioning unit.

• Are the batteries

depleted?

• Are the batteries

inserted in the opposite
(+) and (-) directions?

• This sound is

generated by the
expansion/contraction
of the front panel, etc.
due to changes of
temperature.

• This is the Protection

device of the air
conditioner .

• Wait about three

minutes and operation
will begin.

Troubleshooting Tips! Save time and money!

Summary of Contents for RSC1812

Page 1: ...ll NEC products have been carefully designed and prepared at the factory under strict quality guide lines We are confident that this product will give you daily comfort and satisfaction if it is handled properly based on this owner s manual Before using your air conditioner pleose read this manual carefully and keep it for reference ...

Page 2: ...n the chart of troubleshooting tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all Contact the authorized Service technician for repair or maintenance of this unit Contact the installer for installation of this unit The air conditioner is not intended for use by young children or infirm persons without supervision Young children should be supervis...

Page 3: ...ulates the unit and it may cause fire ignition Confirm drainage piping is connected properly If it is not connected perfectly it may cause water leakage and dampen the furniture The reverse cycle system of the air conditioner is based on the air cooling type heat pump which absorbs heated air from the outdoor unit and discharges it indoor Therefore if the outdoor unit is exposed to very low temper...

Page 4: ...er appliances It will cause electrical shock or fire due to heat generation Do not operate with wet hand It will cause electrical shock Do not insert anything into the air inlet air outlet Since the fan rotates at high speed this may cause an injury or damage the unit Do not expose the skin directly to cool air for long periods of time This could damage your health When an abnormality smell of bur...

Page 5: ... be cleaned switch off and turn off the circuit breaker Since the fan rotates at high speed during operation it may cause an injury Do not put a pet or house plant where it will be exposed to direct air flow This could injure the pet or plant Do not use for special purposes Do not use this air conditioner to preserve precision devices food animal plants and art objects It may cause deterioration o...

Page 6: ...leave on installation stand which is damaged The unit may drop or fall down and cause an injury Do not insert hands through vanes when the air conditioner is operating It will cause an injury by the rotating blower For installation WARNING Consult your dealer for installing the air conditioner CAUTION Apply grounding Install a ground fault interrupter depending on the place where the air condition...

Page 7: ...peration mode Refer to page 8 ON OFF TIMER BUTTONS Used to set the time of starting and stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation AIRFLOW DIRECTION START STOP BUTTON Used to stop or start louver movement and set the desired up down airflow direction SLEEP MODE AU...

Page 8: ...en this button is pressed and stops when the button is pressed again OPERATION MODE SELECTION BUTTON Used to select the operation mode ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low medium high or AUTO 1 2 3 4 Operation Mode Cooling Operation Soft Dry Operation Auto Operation Cooling Operation Soft Dry Opera...

Page 9: ...cated inside the indoor unit Open the front panel by lifting it up Slide Switch Operation Refer to page 16 FORCED OPERATION Used for operation when the remote control cannot be used AUTO RESTART In case the power comes on again after a power failure the air conditioner will operate in Auto Restart Operation mode This function automatically returns the air conditioner to the pervious operating cond...

Page 10: ...ration mode is shifted in the direction of the arrow Close the door on the remote control Set the temperature lower than the room temperature The temperature can be set within a range of 18 C 30 C in 1 C increments Set the fan speed again with the door of the remote control still closed You can select the fan speed in four steps low medium high or AUTO Each time the button is pressed the fan speed...

Page 11: ... button is pressed the operation mode is shifted in the direction of the arrow Close the door on the remote control Set the temperature lower than the room temperature The temperature can be set within a range of 18 C 30 C in 1 C increments During Soft Dry Operation The indoor fan speed is automatically set to low speed and cannot be adjusted Soft Dry Operation 1 2 3 Cooling Soft Dry Auto Heating ...

Page 12: ...r or warmer you feel the more times up to two times you should press the button the set temperature will then be changed automatically During Auto Operation You cannot switch the indoor fan speed It has already been set by the Fuzzy rule If the system is not operating as desired manually switch to another mode The system will not automatically switch from the cooling mode to the heating mode or fr...

Page 13: ...tion of the arrow Close the door on the remote control Set the temperature higher than the room temperature The temperature can be set within a range of 16 C 30 C in 1 C increments Set the fan speed again with the door of the remote control still closed You can select the fan speed in four steps low medium high or AUTO Each time the button is pressed the fan speed mode is shifted Heating Operation...

Page 14: ...he Start Stop button Time can be set only when you have pressed the Reset button If you have just replaced the batteries the Reset button should be pressed to reset the time Press the Time Setting buttons until the desired time is set To cancel the setting the timer Press the Timer Cancel button while aiming remote control at the signal receptor The timer lamp on the air conditioner and the displa...

Page 15: ...Press the Start Stop button to start the unit Open the door on the remote control Press the Airflow Direction Start Stop button and the louvers will swing up and down Press the Airflow Direction Control Button again to set the vertical louver at the desired airflow direction Press the Start Stop button the unit will respond with a beep Circulates the room air without cooling or heating Open the do...

Page 16: ...power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions In case the air conditioner does not receive any signal from the remote control it will turn off automatically after 7 hours If you want to use this operation Open the front panel upward and move the slide switch to the Auto Restart position ...

Page 17: ...ally switched to the low LOW SPEED SOFT DRY SET TEMP 1 C SET TEMP 0 5 C ROOM TEMP INDOOR FAN COMP OPERATING START OPERATE OPERATE FOR 10MINS STOP FOR 3 MINS STOP FOR 7 MINS OPERATE FOR 10MINS SET FAN SPEED COOLING ROOM TEMP Helpful information Fan speed and cooling capacity The cooling capacity indicated in the specification is the value when the fan speed is set to high and the capacity will be l...

Page 18: ...heat exchanger and panel vents may be professionally steam cleaned NOTE Dirtyorcloggedcoilswillreducetheoperating efficiencyofthesystemandcausehigher operatingcosts Never use any of the followings Water hotter than 40 C Could cause deformation and or discoloration Volatile substances Could damage the surfaces of the air conditioner Lift the front access panel and pull the filter tab slightly forwa...

Page 19: ... the air conditioner on Air circulation mode Reter to page 15 for 2 to 3 hours Turn off the circuit breaker and disconnect the plug Remove the batteries from the remote control When the air conditioner is not going to be used for a long time Turn off the circuit breaker when the air conditioner is not going to be used for a long time Dirt may collect and may cause a fire CAUTION Clean the air filt...

Page 20: ...rtains closed Do not let direct sunshine enter the room when the air conditioner is in operation Clean the air filter regularly Blockages in the air filter reduce the airflow and lower cooling and dehumidifying effects Clean at least once every two weeks Keep the room temperature uniform Adjust the vertical and horizontal airflow direction to ensure a uniform temperature in the room Ventilate the ...

Page 21: ...estarted Does not cool or heat effectively The air conditioner operation is noisy Remote control display is faint or no display at all Crack sound is heard Is the air filter dirty See air filter cleaning instructions Refer to page 18 The room may have been very hot when the room air conditioner was first turned on Allow time for it to cool down Has the temperature been set incorrectly Are the indo...

Page 22: ...NEC AUSTRALIA PTY LTD A C N 004 803 490 P NO 3828AR7083S ...

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