Error Codes When Performing A Test Run; Disposal 13; Technical Data; Piping Diagram: Indoor Unit - Daikin FFA25A2VEB Installation And Operation Manual

3 Check operation for 3 minutes.
4 Check operation of the airflow direction.
# Action
1 Press.
2 Select Position 0.
3 Change the position.
4 Press.
5 Stop the test run.
# Action
1 Press at least 4 seconds.
2 Select Test Operation.
3 Press.
7.5 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:
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.
FFA25~60A2VEB
Split system air conditioners
4P456960-1 – 2017.03
Result
Air Volume/direction
Air Volume Direction
Low Position 0
Return Return Setting Setting
Air Volume/direction
Air Volume Direction
Low Position 0
Return Setting
Return Setting
If the airflow flap of the
indoor unit moves,
operation is OK.
If not, operation is not OK.
The home menu is
displayed.
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.
Possible cause
Error code
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.
8 Disposal
NOTICE
Do not try to dismantle the system yourself: the dismantling
of the system, treatment of the refrigerant, oil and other
parts must comply with applicable legislation. Units must
be treated at a specialized treatment facility for reuse,
recycling and recovery.
9

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).
9.1

Piping diagram: Indoor unit

c
a
b
a Liquid pipe connection
b Gas pipe connection
c Heat exchanger
8 Disposal
Possible cause
Installation and operation manual
13