Troubleshooting - Daikin FTHF25XVMV Operation Manual

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Troubleshooting

These cases are not troubles.
The following cases are not air conditioner troubles but have some reasons. You may just continue using it.
Case
Operation does not start soon.
• When ON/OFF button was pressed
soon after operation was stopped.
• When the mode was reselected.
The outdoor unit emits water or
steam.
Mist comes out of the indoor unit.
The indoor unit gives out odour.
The outdoor fan rotates while
the air conditioner is not in
operation.
The operation stopped suddenly.
(OPERATION lamp is on.)
Remote controller does not
work properly.
„ No remote controller signals
are displayed.
„ The remote controller
sensitivity is low.
„ The display is low in contrast
or blacked out.
„ "
" on the LCD is blinking
and the remote controller
cannot be operated.
The sound of streamer discharge
can no longer be heard.
The room temperature does not
reach the set temperature.
Description / what to check
• This is to protect the air conditioner.
You should wait for about 3 minutes.
„ In COOL or DRY mode
• Moisture in the air condenses into water on the cool surface
of outdoor unit piping and drips.
„ In HEAT operation
• The frost on the outdoor unit melts into water or steam
when the air conditioner is in defrost operation.
• This happens when the air in the room is cooled into mist by
the cold airflow during cooling operation.
• This happens when smells of the room, furniture, or cigarettes are
absorbed into the unit and discharged with the airflow. We recommend
that you have the indoor unit cleaned. Please consult your dealer.
„ After operation is stopped:
• The outdoor fan continues rotating for about 60 seconds for
system protection.
„ While the air conditioner is not in operation:
• When the outdoor temperature is very high, the outdoor fan
starts rotating for system protection.
• For system protection, the air conditioner may stop operating
on a sudden large voltage fluctuation.
It automatically resumes operation in about 3 minutes.
• The batteries are dying and the remote controller is
malfunctioning. Replace all the batteries with new size
AAA.LR03 (alkaline) batteries. For details, refer to "To set the
batteries" of this manual.
• Battery power has run out.
Replace both batteries at the same time with new size AAA.LR03
(alkaline) batteries.
Leaving exhausted batteries in the remote controller can result in
injury due to battery leakage, rupturing or heating, or lead to
equipment failure.
(Even when the "
" is blinking, the OFF button remains functional.)
• If the airflow becomes weak, the streamer discharge stops.
• If the air coming out of the air conditioner is blowing against a
wall, the set temperature may not be reached correctly.
TROUBLESHOOTING
Page 8
27

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