12
English
10. TROUBLE SHOOTING
If one of the following malfunctions occur, take
the measures shown below and contact your
Daikin dealer.
WARNING
Stop operation and shut off the power if any-
thing unusual occurs (burning smells, etc.)
Leaving the unit running under such circumstances
may cause breakage, electrical shock, or fire.
Contact your dealer.
• If a safety device such as a fuse, a 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 unit;
Measure: Stop the operation.
• The operation switch does not work well.
Turn off the power.
• If the display “
”, the unit number and the
operation lamp flash and the malfunction code
appears;
(Refer to figure 12)
1. Inspection display
2. Indoor unit number in which a malfunction
occurs
3. Operation lamp
4. Malfunction code
Measure: Notify your Daikin dealer 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, inves-
tigate the system according to the following pro-
cedures.
If it is impossible to fix the problem yourself after
checking all the above items, contact your
dealer.
Let him know the symptoms, system name, and
model name (listed on the warranty card).
1. If the system does not operate at all;
• Check if there is no power failure.
Wait until power is restored. If power failure occurs
during operation, the system automatically restarts
immediately after the power supply is recovered.
• Check if no fuse has blown;
Turn off the power supply
• 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 soon after starting the opera-
tion;
• Check if air inlet or outlet of outdoor or indoor unit
is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows
“
” (time to clean the air filter);
Refer to the operation manual of the indoor unit.
And clean the air filter.
3. The system operates but cooling or heating is
insufficient;
• Check if air inlet or outlet of outdoor or indoor unit
is not blocked by obstacles.
Remove any obstacle and make it well-ventilated.
• Check if the remote controller display shows
“
” (time to clean the air filter);
Refer to the operation manual of the indoor unit.
And clean the air filter.
• Check the temperature setting.
Refer to “Operation procedure”.
• Check the fan speed setting on your remote con-
troller.
Refer to “Operation procedure”.
• Check for open doors or windows.
Shut doors and windows to prevent wind from
coming in.
• Check if there are too many occupants in the
room during cooling operation.
• Check if the heat source of the room is excessive
during cooling operation.
• Check if direct sunlight enters the room during
cooling operation.
Use curtains or blinds.
• Check if the air flow angle is not proper.
Refer to “Operation procedure”.
After-sales service and warranty
After-sales service:
WARNING
• Do not modify, disassemble or repair the unit.
This may cause electric shock or fire.
Contact your dealer.
• If the refrigerant leaks, keep out of fire.
Although the refrigerant does not usually leak, if
the refrigerant leaks out into a room and comes in
contact with the combustible air in the equipment
such as fan heater, stove, oil (gas) cooker, etc., it
will cause toxic gas to be generated.
When a refrigerant leakage failure has been
repaired, confirm a service person that
the leakage point has been corrected
surely before restarting operation.
TEST
Switch
ON
OFF
Trip position
Breaker
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