7 Troubleshooting
Operation manual
9
FTXF20~3 FTXF20~25B5V1B
Daikin room air conditioner
3P520336-3E – 2019.09
6.2
To clean the indoor unit and user
interface
NOTICE
▪ Do NOT use gasoline, benzene, thinner polishing
powder or liquid insecticide.
Possible consequence:
Discoloration and deformation.
▪ Do NOT use water or air of 40°C or higher.
Possible
consequence:
Discoloration and deformation.
▪ Do NOT use polishing compounds.
▪ Do
NOT
use
a
scrubbing
brush.
Possible
consequence:
The surface finishing peels off.
DANGER: RISK OF ELECTROCUTION
Before cleaning, be sure to stop the operation, turn the
breaker off or pull out the supply cord. Otherwise, an
electric shock and injury may result.
1
Clean with a soft cloth. If it is difficult to remove stains, use
water or a neutral detergent.
6.3
To clean the front panel
1
Clean the front panel with a soft cloth. If it is difficult to remove
stains, use water or a neutral detergent.
6.4
About the air filters
Operating the unit with dirty filters means that the filter:
▪ CANNOT deodorize the air,
▪ CANNOT clean the air,
▪ poor heating/cooling,
▪ causes odour.
6.5
To clean the air filters
1
Push the tab at the centre of each air filter, then pull it down.
2
Pull out the air filters.
2
1
3
Wash the air filters with water or clean them with a vacuum
cleaner.
4
Soak in lukewarm water for about 10 to 15 minutes.
INFORMATION
▪ If the dust does NOT come off easily, wash them with a
neutral detergent diluted in lukewarm water. Dry the air
filters in the shade.
▪ It is recommended to clean the air filters every 2
weeks.
6.6
To take following items into
account before a long idle period
Operate the unit in
fan only
mode for several hours to dry the inside
of the unit.
1
Press
and select fan only operation.
2
Press
to start operation.
3
After operation stops, turn the breaker off.
4
Clean the air filters and replace them in their original position.
5
Remove the batteries from the user interface.
INFORMATION
It is recommended to have periodical maintenance
performed by a specialist. For specialist maintenance,
contact your dealer. Maintenance costs shall be borne by
the customer.
In certain operating conditions the inside of the unit may
get dirty after several seasons of use. This results in poor
performance.
7
Troubleshooting
If one of the following malfunctions occur, take the measures shown
below and contact your dealer.
WARNING
Stop operation and shut off the power if anything
unusual occurs (burning smells etc.).
Leaving the unit running under such circumstances may
cause breakage, electric shock or fire. Contact your dealer.
The system MUST be repaired by a qualified service person.
