Instruction Manual

En-8
Mist or steam is emitted from the unit.
□ <In the Cooling or Dry mode> A thin mist may be generated by
condensation formed with sudden cooling process.
□ <In the Heating mode> Is the Automatic defrosting operation
working? In this case, steam may rise from the outdoor unit.
(Refer to page 5.)
Outdoor unit emits water.
□ <In the Heating mode> The outdoor unit may emit water gener-
ated by the Automatic defrosting operation. (Refer to page 5.)
Operation is delayed after restart.
□ Has the power supply turned from o󰀨 to on suddenly?
In this case, the compressor will not operate for about 3 minutes
to prevent a blowout of the fuse.
□ Has the electrical breaker is turned o󰀨 then on again?
In this case, the protection circuit will operate for about 3 minutes.
Immediately stop operation and turn o󰀨 the electrical breaker in
following cases. Then consult authorized service personnel.
• The problem persists even if you perform these checks or
diagnostics.
• Error sign is shown on the wired remote controller display or the
indicator lamps on the indoor unit.
NOTE:
For any troubleshooting related to the wireless LAN control, refer to the
setting manual for the WLAN adapter or the mobile app installed in your
smartphone or tablet PC.
■
State of indicator lamps
: The instruction is relating to the wireless LAN control
(optional).
Lighting pattern:
O󰀨, On, Blinking, Any state
State Causes and solutions
See
page
Automatic defrosting operation
⇒
Please wait until nishing the defrosting
(maximum of 15 minutes).
5
Filter indicator
⇒
Clean the air lter and reset the lter
sign.
5
Error code display
⇒
Consult authorized service personnel.
-
Timer setting error because of Auto restart
⇒
Reset the clock and timer settings.
5
Test run operation (for authorized
personnel only)
⇒
Press
to quit the test run.
-
The indoor unit is preparing the
rmware update.
You cannot operate the air conditioner.
Wait until the update is complete (for
a maximum of 30 minutes).
6
or
<While the operation is stopped>
The indoor unit is in the rmware
update.
You cannot operate the air conditioner.
Wait until the update is complete (for
a maximum of 30 minutes).
6
(3 times)
(Fast)
State Causes and solutions
See
page
(Slow)
<While the operation is stopped>
The rmware update of the indoor
unit is complete. The settings from
the wireless remote controller are
initialized.
Control the air conditioner from the
wireless remote controller to resend
the settings.
6
<While the operation is stopped>
If you cannot operate the air
conditioner, the malfunction may occur
on the rmware of the indoor unit.
Consult authorized service personnel.
-
Restricted function
6
(Slow)
(Slow)
(In multi-split connection) Standby mode
⇒
Check the set operation mode of the
indoor units.
6
■
Manual Auto operation and Filter indicator
reset
You can operate the air conditioner with
on the indoor
unit.
Status Length of pressing down Mode or operation
In operation More than 3 seconds Stop
Stopping 2 seconds or less Filter indicator reset
More than 3 seconds and
less than 10 seconds
Auto *
1)
More than 10 seconds
(Only for servicing.*
2)
)
Forced cooling
In Heating
operation
2 seconds or less (Special
setting)
*3)
Emergency heat
*1) In multi-split connection, the operation mode follows the other indoor
units.
*2) To stop the forced cooling, press this button or
on the wireless
remote controller.
*3) Refer to “Emergency heat (page 6)” for details.