Fujitsu ASYG07-09-12KPCA Operating Manual page 9

□ <In the Heating mode> Is [ ] indicator blinking?
In this case, the Automatic defrosting operation is working. The in-
door unit stops for maximum of 15 minutes. (Refer to page 7.)
□ <In the Dry mode> The indoor unit operates at low fan speed to
adjust the room humidity, and may stop from time to time.
□ <In the Auto mode> While the monitoring operation, the fan
rotates at very low speed.
Noise is heard.
□ Is the unit operating, or immediate after stopping operation?
In this case, refrigerant fl owing sound may be heard. It may be
particularly noticeable for 2-3 minutes after starting operation.
□ Do you hear a slight squeaking sound during the operation?
This sound is produced by the minute expansion and contraction
of the front panel caused by temperature change.
□ <In the Heating mode> Do you hear a sizzling sound?
This sound is produced by the Automatic defrosting operation.
(Refer to page 7.)
Smell coming from the unit.
□ The air conditioner may absorb various smells generated from
interior textile, furniture, or cigarette smoke. These smells may be
emitted during the operation.
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 [ ] indicator on the indoor unit blinking?
In this case, steam may rise from the outdoor unit because of the
Automatic defrosting operation.(Refer to page 7.)
Outdoor unit emits water.
□ <In the Heating mode> The outdoor unit may emit water gener-
ated by the Automatic defrosting operation. (Refer to page 7.)
The unit operates diff erently from the remote controller setting.
□ Are the batteries in the remote controller exhausted?
Replace the batteries.
Operation is delayed after restart.
□ Has the power supply turned from Off to On suddenly?
In this case, the compressor will not operate for about 3 minutes
to prevent a blowout of the fuse.
Immediately stop operation and turn off the electrical breaker in
following cases. Then consult authorized service personnel.
• The problem persists even if you perform these checks or
diagnostics.
• On the indoor unit, [ ] and [
NOTES: For any troubleshooting related to the W-LAN control, refer
to the setting manual for W-LAN adapter or the mobile app
installed in your smartphone or tablet PC.
] blink while [ ] is blinking fast.
■ State of indicator lamps
: The instruction is relating to the wireless LAN control
(optional).
Lighting pattern: Off ,
State
Automatic defrosting operation
 Please wait until fi nishing the defrosting
Filter indicator
Clean the air fi lter and reset the fi lter
(3 times)
Error code display
Consult authorized service personnel.
(Fast)
Timer setting error because of Auto restart
Reset the clock and timer settings.
Test run operation (for authorized
personnel only)
Press
The power to the wireless router is
not on.
Check that the power to the wireless
(Slow)
There is a possibility that the W-LAN
adapter is not properly connected to
the wireless router.
Disconnect the power supply to the air
The software of the W-LAN adapter
is being updated.
During the air conditioner registration
(pairing of W-LAN adapter)
Restricted function
■ Manual Auto operation and Filter indicator
reset
You can operate the air conditioner with
indoor unit.
Status Length of pressing down Mode or operation
In operation More than 3 seconds
Stopping 2 seconds or less
More than 3 seconds and
less than 10 seconds
More than 10 seconds
(Only for servicing.*)
*: To stop the forced cooling, press this button or
controller.
En-9
On, Blinking,
Causes and solutions
(maximum of 15 minutes).
sign.
to quit the test run.
router is on.
conditioner (via breaker or plug), and
then re-connect.
Stop
Filter indicator reset
Auto
Forced cooling
Any state
See
page
7
6
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7
3
-
7
-
8
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on the
on the remote