Daikin RZVF50 Installation Manual page 69

2. If the air conditioner stops after operating the
air conditioner.
• Check if the air inlet or outlet of outdoor or indoor
unit is blocked by obstacles.
Remove the obstacle and make it well­
ventilated.
• Check if the air filter is clogged.
Ask a qualified service person to clean the air
filters.
A decrease in the airflow volume of the air
cond�ioner will result and the performance of the
air conditioner will be degraded and power con
sumption will increase if the air filter is clogged
with dust or dirt.
In addition, this may cause dew condensation at
the air outlet.
(Refer to 8. MAINTENANCE on page 66.)
3. The air conditioner operates but it does not
sufficiently cool.
• Check if the air inlet or outlet of outdoor or indoor
unit is blocked by obstacles.
Remove the obstacle and make it well-ventilated.
Obstacles decrease the fan speed, and cause
performance decrease and breakage when
discharged air is suctioned.
They cause a waste of electricity, and that may
stop the devices.
• Check if the air filter is clogged.
Ask a qualified service person to clean the air
filters.
A decrease in the airflow volume of the air
conditioner will result and the performance of the
air conditioner will be degraded and power con­
sumption will increase if the air filter is clogged
with dust or dirt.
In addition, this may cause dew condensation at
the air outlet.
(Refer to 8. MAINTENANCE on page 66.)
• Check if the set temperature is not proper.
Set to an appropriate temperature and fan
speed.
• Check if the FAN SPEED button is set to LOW
SPEED.
Set to an appropriate temperature and fan
speed.
• Check if the doors or the windows are open.
Shut doors or windows to prevent wind from
coming in.
• Check if direct sunlight enters the room (when
cooling).
Use curtains or blinds.
• When there are too many inhabitants in the
room (when cooling).
• Check if the heat source of the room is exces­
sive (when cooling).
4. Operation was performed or stopped al­
though the ON/OFF button was not pressed.
• Are you sure that the ON/OFF timer operation
is not used?
Turn off the ON/OFF timer.
Please refer to operation manual attached to
the remote controller.
• Are you sure that any remote control device is
not connected?
Contact the central control room that directed
the stop.
• Are you sure that the display for centralized
control is not lit?
Contact the central control room that directed
the stop.
If the problem is not solved after checking
the above points, please do not try to repair it
yourself.
In such cases, always ask your local dealer.
At this time, please tell the symptom and model
name (written on the model name plate).
If one of the following malfunctions occurs, take
the measures shown below and contact your
local dealer.
The air conditioner must be repaired by a qualified
service person.
-&
WARNING --------­
When the air conditioner is malfunctioning
(giving off a burning odor, etc.), turn off
power to the air conditioner and contact your
local dealer.
Continued operation under such circumstances
may result in a failure, electric shocks or fire .
Contact your local dealer.
• If a safety device such as a fuse, a power circuit
breaker or an earth leakage breaker frequently
actuates;
Measure: Do not turn on the main power switch.
• If the ON/OFF switch does not properly work;
Measure: Turn off the main power switch.
• If water leaks from the indoor unit.
Measure: Stop the operation.
• If a malfunction occurs, either one of the following
messages will appear on the Basic screen on the
wired remote controller during operation.
"Error: Push Menu button."
(* The Operation lamp will blink.)
"Warning: Push Menu button."
(* The Operation lamp will not blink.)
• Press Menu/Enter button.
The Malfunction (Error) code blinks.
For more information, refer to the operation
manual attached to the remote controller.
Measure: Notify your local dealer and inform
malfunction code of the display.
69