8 Troubleshooting
Operation manual
11
CTXF20~35C5V1B
Daikin room air conditioners
3P520336-11K – 2020.08
7.3
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.
7.4
About the air filters
Operating the unit with dirty filters means that the filter:
▪ CANNOT deodorise the air,
▪ CANNOT clean the air,
▪ poor heating/cooling,
▪ causes odour.
7.5
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.
5
Install all filters back in their original positions.
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.
7.6
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.
8
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.
Malfunction
Measure
If a safety device such as a fuse, a
breaker or an earth leakage breaker
frequently actuates or the ON/OFF
switch does NOT properly work.
Turn OFF the main power
switch.
If water leaks from the unit.
Stop the operation.
The operation switch does NOT work
well.
Turn OFF the power
supply.
If the user interface display indicates the
unit number, the operation lamp flashes
and the malfunction code appears.
Notify your installer and
report the malfunction
code.
If the system does NOT operate properly except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system in accordance with the following
procedures.
INFORMATION
Refer to the reference guide located on
www.daikineurope.com/support-and-manuals/product-
information/
