7 Disposal
#
4
On the user interface, set the unit to cooling operation
mode.
2 Start the test run
#
Action
1
Go to the home menu.
2
Press at least 4 seconds.
3
Select Test Operation.
4
Press.
5
Press within 10 seconds.
3 Check operation for 3 minutes.
4 Stop the test run.
#
Action
1
Press at least 4 seconds.
2
Select Test Operation.
3
Press.
6.3
Error codes when performing a
test run
If the installation of the outdoor unit has NOT been done correctly,
the following error codes may be displayed on the user interface:
Installation manual
10
All manuals and user guides at all-guides.com
Action
Result
Cool
Set to
28
°C
The Service Settings menu
is displayed.
Service Settings
1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Return
Setting
Test Operation is
displayed on the home
menu.
Cool
Test Operation
Return
Setting
Test run starts.
Result
The Service Settings menu
is displayed.
Service Settings
1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Return
Setting
The unit returns to normal
operation, and the home
menu is displayed.
Error code
Nothing displayed
▪ The wiring is disconnected or there is a
wiring error (between power supply and
(the currently set
outdoor unit, between outdoor unit and
temperature is not
indoor units, between indoor unit and
displayed)
user interface).
▪ The fuse on the outdoor or indoor unit
PCB has blown.
E3, E4 or L8
▪ The stop valves are closed.
▪ The air inlet or air outlet is blocked.
E7
There is a missing phase in case of three-
phase power supply units.
Note: Operation will be impossible. Turn
OFF the power, recheck the wiring, and
switch two of the three electrical wires.
L4
The air inlet or air outlet is blocked.
U0
The stop valves are closed.
U2
▪ There is a voltage imbalance.
▪ There is a missing phase in case of
three-phase power supply units. Note:
Operation will be impossible. Turn OFF
the power, recheck the wiring, and switch
two of the three electrical wires.
U4 or UF
The inter-unit branch wiring is not correct.
UA
The outdoor and indoor unit are
incompatible.
7
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
8
Technical data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
extranet (authentication required).
Possible cause
FDXM25~60F3V1B(9)
Split system air conditioners
4P472267-1B – 2018.07