Troubleshooting - Daikin FTXS12LVJU Operation Manual

Troubleshooting

„ These incidents are not malfunctions.
• The following incidents do not indicate a malfunctioning air conditioner and have explanations. The air conditioner can continue to operate.
Indoor unit
Possible sounds.
„ Flowing water
• Generated because the refrigerant in the air conditioner is
flowing.
• This is a pumping sound of the water in the air conditioner
it is heard when the water is pumped out from the air
conditioner in cooling or drying operation.
• The refrigerant flows in the air conditioner even if the air
conditioner is not working when the indoor units in other
rooms are in operation.
„ Blowing
• Generated when the flow of the refrigerant in the air
conditioner is switched over.
„ Ticking
• Generated when the size of the air conditioner slightly
expands or shrinks as a result of temperature changes.
„ Whistling sound
• Generated when refrigerant flows during defrosting
operation.
„ Clicking sound during operation or idle time
• Generated when the refrigerant control valves or the
electrical parts operate.
„ Clopping sound
• Heard from the inside of the air conditioner when the
exhaust fan is activated while the room doors are closed.
Open the window or turn off the exhaust fan.
Outdoor unit
Operating sound is loud.
• When frost forms on the heat exchanger of the outdoor unit, the operating
sound level increases slightly.
The outdoor unit emits water or steam.
„ In HEAT operation
• The frost on the outdoor unit melts into water or steam when the air
conditioner is in defrost operation.
„ In COOL or DRY operation
• Moisture in the air condenses into water on the cool surface of outdoor unit
piping and drips.
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The flaps do not start swinging immediately.
The flaps move soon after startup.
• The air conditioner is adjusting the position of the
flaps. The flaps will start moving soon.
The HEAT operation stops suddenly
and a flowing sound is heard.
• The outdoor unit is taking away the frost. The HEAT
operation starts after the frost on the outdoor unit is
removed. You should wait for about 4 to 12 minutes.
Operation does not start soon.
„ When "ON/OFF" button was pressed soon
after operation was stopped.
„ When the mode was reselected.
• This is to protect the air conditioner.
You should wait for about 3 minutes.