7 Troubleshooting
Operation manual
17
(C)(F)TXA15~50A2V1B(W)(S)(T)
Daikin room air conditioner
3P485919-7C – 2017.12
a
Panel lock
3
Push the right arm lightly to the right to disconnect the shaft
from the shaft slot on the right side.
a
c
b
a
Arm
b
Shaft
c
Shaft slot
4
Disconnect the front panel shaft from the shaft slot on the left
side.
a
c
b
a
Arm
b
Shaft slot
c
Shaft
5
Remove the front panel.
6
To re-install the front panel perform the steps in the opposite
order.
6.11
To take following items into
account before a long idle period
Operate the unit several hours in
fan only
mode to dry the inside of
the unit.
1
Press
and select
operation.
2
Press
and 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:
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 properly operate except for the above
mentioned cases and none of the above mentioned malfunctions is
evident, investigate the system according to the following
procedures.
Malfunction
Measure
If the system does
NOT operate at all.
▪ Check if there is no power failure. Wait
until power is restored. If a power failure
occurs during operation, the system
automatically restarts immediately after
power is restored.
▪ Check if the front panel is opened during
operation. Stop operation and restart the
indoor unit using the user interface.
▪ Check if no fuse has blown or breaker is
activated. Change the fuse or reset the
breaker if necessary.
▪ Check the batteries of the user interface.
▪ Check the timer setting.
The system suddenly
stops operating.
▪ Check if the air inlet or outlet of the
outdoor or indoor unit is NOT blocked by
obstacles. Remove any obstacles and
make sure the air can flow freely.
▪ The air conditioner may stop operating
after sudden large voltage fluctuations to
protect the system. It automatically
resumes operation after about 3 minutes.
The fan will stop during
airflow operation.
If the set temperature is reached, the
airflow rate is reduced and operation stops.
Operation will resume automatically when
the indoor temperature rises or falls.
The flaps do NOT start
to swing immediately.
The indoor unit is adjusting the position of
the flaps. The flaps will start moving soon.
Operation does NOT
start soon.
In case the ON/OFF button was pressed
right after operation was stopped or if the
mode was changed. Operation will start
after 3 minutes to protect the system.
