Operation manual
4
FHYBP + FHYCP + FDYP + FBQ + FCQ + FDQ
Split system air conditioners
4PW10622-1E
T
ROUBLESHOOTING
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.
■
If a safety device such as a fuse, a breaker, or an earth leakage
breaker frequently actuates, or ON/OFF switch does not
properly work.
Measure: Turn off the main power switch.
■
If water leaks from unit.
Measure: Stop the operation.
■
If the display "
" (INSPECTION), "
", and the
OPERATION lamp flashes and the "MALFUNCTION CODE"
appears.
Measure: Notify your Daikin dealer and inform him/her of the
display.
If the system does not operate properly, except for the above
mentioned case, and none of the above mentioned malfunctions are
evident, investigate the system according to the following procedures.
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 the fuse has blown or breaker has been tripped.
Change the fuse or set the breaker.
If the system stops operating after operation is complete.
■
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 filter.
The system operates but it does not sufficiently cool or heat.
■
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 filter.
■
If the set temperature is not proper. (Refer to the manual of the
remote controller)
■
If the FAN SPEED CONTROL button is set to LOW SPEED.
(Refer to the manual of the remote controller)
■
If the air flow angle is not proper. (Refer to the manual of the
remote controller)
■
If the doors or the windows are open. Shut doors or windows to
prevent wind from coming in.
■
If direct sunlight enters the room (when cooling).
Use curtains or blinds.
■
When there are too many inhabitants in the room. Cooling effect
decreases if heat gain of the room is too large.
■
If the heat source of the room is excessive (when cooling).
Cooling effect decreases if heat gain of the room is too large.
M
AINTENANCE
WARNING
When the air conditioner is in abnormal conditions (burning
smell, etc.) unplug the power cord from the outlet and
contact your dealer.
Continued operation under such circumstances may result
in a failure, electric shock and fire.
Caution
■
Only a qualified service person is allowed to perform
maintenance.
■
Before obtaining access to terminal devices, all power
supply circuits must be interrupted.
■
To clean the air conditioner, be sure to stop operation
and turn the power switch off.
Otherwise, an electric shock and injury may result.
■
Do not wash the air conditioner with water.
Doing so may result in an electric shock.
■
Be careful with scaffoldings.
Caution must be exercised when working in high
places.
■
After a long use, check the unit stand and fitting for
damage. If damaged, the unit may fall and cause
injury.
■
Do not touch the heat exchanger fins.
The fins are sharp and could result in cutting injuries.
■
When cleaning the heat exchanger, be sure to remove
the switchbox, fan motor, auxiliary electric heater and
drain pump. Water or detergent may deteriorate the
insulation of electronic components and result in
burn-out of these components.
Caution for drain socket
Do not remove the drain pipe plug. Water might leak out.
The drain outlet is only used to discharge water if the drain
pump is not used or before maintenance. Gently put in and
out the drain plug. Excessive force may deform the drain
socket of the drain pan.
■
Pulling out the plug
Do not wiggle the plug up and down
■
Pushing in the plug
Set the plug and push it by using a Philips screwdriver
1
1
Drain plug
1
2
1
Drain plug
2
Philips screwdriver
