Malfunctions Not Related To Heat Pump - Daikin FTQ18PBVJU Operation Manual

9. MALFUNCTIONS NOT RELATED
TO HEAT PUMP
The following symptoms do not indicate heat pump
malfunction
I. THE SYSTEM DOES NOT OPERATE
• The system does not restart immediately
after the ON/OFF button is pressed.
If the OPERATION lamp lights, the system is in
normal condition.
It does not restart immediately because a
safety device operates to prevent overload of
the system. After 3 minutes, the system will
turn on again automatically.
• The system does not restart immediately
when TEMPERATURE SETTING button is
returned to the former position after push-
ing the button.
If the OPERATION lamp lights, the system is in
normal condition.
It does not restart immediately because a
safety device operates to prevent overload of
the system. After 3 minutes, the system will
turn on again automatically.
• The system does not start when the display
shows " " and it fl ashes for few sec-
onds after pressing an operation button.
This is because the system is under central-
ized control. Flashes on the display indicate
that the system cannot be controlled by the
remote controller.
• The system does not start immediately
after the power supply is turned on.
Wait one minute until the micro computer is
prepared for operation.
II. The fan speed is different from the setting.
• Pressing the fan speed control button does
not change the fan speed.
• When the room temperature reaches the set
temperature in heating mode, the outdoor unit
stops and the indoor unit switches to whisper
mode. This is to prevent the cool air from being
blown directly onto anyone in the room.
• To protect electric parts, the unit operates with
the airfl ow rate at H speed during ELECTRIC
HEATER operation regardless of the remote
controller indication.
English
III. WHITE MIST COMES OUT OF A UNIT
• When humidity is high during cooling op-
eration (In oily or dusty places)
If the inside of an indoor unit is extremely con-
taminated, the temperature distribution inside a
room becomes uneven. It is necessary to clean
the inside of the indoor unit. Ask your Daikin
dealer for details on cleaning the unit. This
operation requires a qualifi ed service person.
• When the system is changed over to HEAT-
ING OPERATION after DEFROST OPERA-
TION.
Moisture generated by DEFROST becomes
steam.
IV. NOISE OF HEAT PUMP
• A ringing sound after the unit is started.
This sound is generated by the temperature
regulator working.
It will quiet down after about a minute.
• A continuous "Whoosh" is heard when the
system is in COOLING or DEFROST OP-
ERATION.
This is the sound of refrigerant gas fl owing
through both indoor and outdoor units.
• A "Whoosh" sound is heard at the start or
immediately after the stop of operation and
at the start or immediately after the stop of
DEFROST OPERATION.
This is the noise of refrigerant caused by fl ow
stop and fl ow change.
• A continuous fl ow "Whoosh" sound is
heard when the system is in COOLING OP-
ERATION or at a stop.
The noise is heard when the drain pump is in
operation.
V. DUST FROM THE UNITS
• Dust may blow out from the unit after start-
ing operation after not being used for a
while.
Dust absorbed by the unit blows out.
VI. THE UNITS GIVE OFF ODORS
The unit absorbs the smell of rooms, furniture,
cigarettes, etc., and then emits them.
VII. THE LIQUID CRYSTAL OF THE REMOTE
CONTROLLER DISPLAY "Checking the
connection. Please stand by"
• This occurs immediately after the main
power supply switch is turned on.
This indicates that the remote controller is in
normal condition and continues temporarily.
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