Filter Cleaning; Warning; Tips For Energy Saving; Troubleshooting - Technibel MCA90MR5TA Notice D'utilisation

FILTER CLEANING

Use a vacuum cleaner to remove light dust. If there is sticky dust
on the filter, wash the filter in lukewarm, soap water, rinse it in
clean water, and dry it.
HOW TO REPLACE THE FILTER
EG
Insert into the groove on the unit
1. With the «FRONT» mark facing you, slide the filter up
into the unit and then lower the handler into the groove
on the unit.
2. After installing the filter, press the locations marked by
the arrows ( ) and close the air intake grille.
Air Clean Filter (STK -F4B)
The air clean filter removes dust and dirt from the air, and
reduces odours and smoke from tobacco.

WARNING

This air clean filter cannot remove harmful gases or vapors nor
ventilate air in the room. You must open doors or windows
frequently when you use gas or oil heating appliances.
Otherwise there is a risk of suffocation in an extreme case.
NOTE
1. Two air clean filters for one indoor unit are in this
polyethylene bag.
2. Open the bag just before installing the air clean filters, if not the
deodorizing effect durability of the filter may be decreased.
AIR CLEAN FILTER INSTALLATION PROCEDURE
The air clean filter needs to be installed behind the air filter.
1. Remove the air filter.
2. Install the air clean filter in the position shown in the figure with
the symbol "FRONT" facing the air filter.
3. Reinstall the air filter.
Air clean filter
Front: white
Rear: black
Air clean filter
REPLACEMENT OF AIR CLEAN FILTER
• The filter is disposable.
• Do not throw away the filter frame.
• The used filter cannot be reused even after cleaning up.
• Obtain the filters for replacement at your nearest dealer (model
STK-F4B).
• Check the state of dirtiness at least once every two weeks.
• Replace the filter when it changes to be so dirty as the colour
of the label "Color gauge for filter replacement".
Air intake grille
Air filter
10

TIPS FOR ENERGY SAVING

DO NOT:
Block the air intake and outlet of the unit.
If they are obstructed, the unit will not work well, and may be
damaged.
Let direct sunlight into the room. Use sunshades, blind or
curtain.
DO:
Always try to keep the anti-mold filter clean. A clogged filter will
impair the performance of the unit.
To prevent conditioned air from escaping, keep windows, doors
and any other openings closed.

TROUBLESHOOTING

WARNING
The use of portable telephones near the air-conditioner may cause
disturbance to its normal operation and must be avoided. In case
abnormal operation is noticed, to restore normal operation turn-
off electric supply for 60 seconds at least, by disconnecting the
main switch or the wall plug, then start again the air conditioner.
If your air conditioner does not work properly, first check the
following points before requesting service.
If it still does not work properly, contact your dealer or service
centre.
Trouble: the air conditioner does not run at all.
Possible cause:
1. Power failure.
2. Leakage breaker tripped.
3. Line voltage is too low.
4. Operation button on the remote control is OFF.
5. Batteries of the remote control unit have run down.
Remedy:
1. Restore power.
2. Contact service centre.
3. Consult your electrician or dealer.
4. Press the ON/OFF button on the remote control.
5. Replace batteries.
Trouble: STANDBY lamp flashes and the air conditioner does
not operate.
Possible cause:
1. Trouble in wiring system.
Remedy:
1. Contact service centre.
Trouble: TIMER lamp flashes and the air conditioner does not
operate.
Possible cause:
1. power failure during timer operation.
Remedy:
1. Press ON/OFF button on remote control.
Trouble: Compressor runs but soon stops.
Possible cause:
1. Obstruction in front of condenser coil.
Remedy:
1. Remove obstruction.
Trouble: Poor cooling or heating performance.
Possible cause:
1. Dirty or clogged air filter.
2. Heat source or many people in room.
3. Doors and/or windows are open.
4. Obstacle near air intake or air discharge port.
5. Thermostat is set too high (for cooling) or too low (for heating).
6. Outdoor temperature is too low (heat pump version).
7. Defrosting system does not work (heat pump version).
Remedy:
1. Clean air filter to improve airflow.
2. Eliminate heat source if possible.
3. Shut them to keep the heat or cold out.
4. Remove it to ensure good airflow.
5. Set the temperature lower (or higher).
6. Try to use a back-up heater.
7. Consult your dealer.
Trouble: Clicking sound is heard from the air conditioner.
Possible cause:
1. In heating or cooling operation, any plastic parts may expand
or shrink due to a sudden temperature change. In this event,
a clicking sound may occur.
Remedy:
1. This is normal, and the sound will soon disappear.