Trouble Shooting - Daikin FBQ30PVJU Operation Manual

9. TROUBLE SHOOTING

I. If one of the following malfunctions occurs,
take the measures shown below and contact
your Daikin dealer.
The system must be repaired by a qualified service person.
WARNING
If the air conditioner is operating abnormally,
such as a burning smell, unplug the power cord
from the outlet, and contact your dealer
Continued operation under such circumstances may result in
a failure, electric shock or fire.
• If a safety device such as a fuse, a breaker or a ground fault
circuit interrupter frequently actuates;
Procedure: Do not turn on the main power switch, take the
following actions.
• If the ON/OFF switch does not properly work;
Procedure: Turn off the main power switch.
• If water leaks from unit.
:
Procedure Stop the operation.
Cool
Set to
74
F
Error : Push Menu button
• If an error occurs, either one of the follow-
ing items will flash in the basic screen.
"Error: Push Menu button"
* The operation lamp will flash.
"Warning: Push Menu button"
* The operation lamp will not flash.
Press Menu / OK button.
Error code AI
Contact Info
0123-456-7890
Indoor Model ---/000
Outdoor Model ---/000
• The error code will flash and the service contact and model
name or code may appear.
• Notify your Daikin dealer of the Error code and model name
or code.
II. If the system does not properly operate (except for
the above mentioned case), and none of the other
mentioned malfunctions are evident, investigate
the system according to the following procedures.
1. If the system does not operate at all.
• Check if there is a power failure.
Wait until power is restored. If power failure occurs during
operation, the system automatically restarts immediately
after the power supply recovers.
• Check if no fuse has blown.
Turn off the power supply.
7
• Check if the breaker is
blown.
Turn the power on with
the breaker switch in the
off position.
Do not turn the power on
with the breaker switch in
the trip position.
(Contact your dealer.)
2. If the system stops operating after it has been
running normally.
• 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
(Refer to MAINTENANCE).
3. The system operates but it does not sufficiently
cool or heat, check if :
• If the air inlet or outlet of the indoor or the outdoor unit is
blocked with obstacles.
Remove the obstacle and make it well-ventilated.
• If the air filter is clogged.
Ask a qualified service person to clean the air filters
(Refer to MAINTENANCE).
• If the set temperature is not adequate.
• If the FAN SPEED button is set to LOW SPEED.
• If the doors or the windows are open. Shut doors or win-
dows to prevent outside air from coming in.
• If direct sunlight enters the room (when cooling).
Operation
Use curtains or blinds.
lamp
• When there are too many inhabitants in the room (when
cooling).
Cooling effect decreases if heat gain of the room is too
large.
• If the heat source of the room is excessive (when cool-
ing).
Cooling effect decreases if heat gain of the room is too
large.
ON
Switch
Trip position
OFF
Breaker
(ground fault circuit interrupter)
English