Tips For Energy Saving; Troubleshooting - Technibel MCA 45C Operating Instructions Manual

AIR FILTER
The filter behind the air intake grille should be checked and cleaned
at least once every two weeks.
HOW TO REMOVE THE FILTERS
Air intake grille
1. Grasp both ends of the intake grille and pull towards you and
upwards.
2. Push lightly upwards the filter and take it out pulling it donwards.
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
Air intake grille
Air filter
Insert into the groove on the unit
1. With the «FRONT» mark facing you, slide the filter
upwards 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.

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.
Air filter

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, (OPR operation lamp lights but
outdoor unit will not run) to restore normal operation turn-off electric
supply for 60 seconds at least, by disconnecting the main switch,
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
center.
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. The operation selector is on OFF position.
6. Batteries in remote control unit have run down.
Remedy:
1. Restore power.
2. Contact service center.
3. Consult your electrician or dealer.
4. Press the ON/OFF button on the remote control.
5. Move the operation selector to ON position.
6. Replace batteries.
Trouble: O.P.R. (operation) lamp flashes and the air conditioner
does not operate.
Possible cause:
1. Trouble in wiring system.
Remedy:
1. Contact service center.
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.
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