Daikin FXFQ20BVEB - To Clean the Suction Grille; To Clean the Air Outlet and Outside Panels; About the Refrigerant; Troubleshooting

8 Troubleshooting
Installation and operation manual
11
FXFQ20~125BVEB
VRV system air conditioner
4P540926-1F – 2023.06
5 Reattach the air filter and close the suction grille.
6 Turn ON the power.
7 To remove warning screens, see the reference guide of the
user interface.
7.2.2 To clean the suction grille
1 Open the suction grille.
Standard panel:
1
Design panel:
1
1
2
2
2 Remove the suction grille.
Standard panel:
45°
1
2
Design panel:
1
2
3 Remove the air filter.
1
2
3
4 Clean the suction grille. Wash with a soft bristle brush, and
water or neutral detergent. If the suction grille is very dirty, use
a typical kitchen cleaner, leave it on for 10 min, then wash it
with water.
5 Reattach the air filter (step 3 in reverse order).
6 Reattach the suction grille and close it (step 2 and 1 in reverse
order).
7.2.3 To clean the air outlet and outside panels
WARNING
Do NOT let the indoor unit get wet. Possible
consequence: Electrical shock or fire.
Clean with a soft cloth. If it is difficult to remove stains, use water or
neutral detergent.
7.3 About the refrigerant
This product contains fluorinated greenhouse gases. Do NOT vent
gases into the atmosphere.
Refrigerant type: R410A
Global warming potential (GWP) value: 2087.5
NOTICE
Applicable legislation on fluorinated greenhouse gases
requires that the refrigerant charge of the unit is indicated
both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent
tonnes: GWP value of the refrigerant × total refrigerant
charge [in kg]/1000
Contact your installer for more information.
WARNING
▪ The refrigerant in the system is safe and normally does
NOT leak. If the refrigerant leaks in the room, contact
with a fire of a burner, a heater or a cooker may result
in a harmful gas.
▪ Turn OFF any combustible heating devices, ventilate
the room and contact the dealer where you purchased
the unit.
▪ Do NOT use the system until a service person confirms
that the portion where the refrigerant leaks is repaired.
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, electrical 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
circuit breaker or a residual current
device frequently actuates or the ON/
OFF switch does NOT function properly.
Turn OFF all main power
supply switches to the
unit.
If water leaks from the unit. Stop operation.
The operation switch does NOT function
properly.
Turn OFF the power
supply.
If the user interface displays .
Notify your installer and
report the error code. To
display an error code see
the reference guide of the
user interface.