En-7
□
<In the Heating mode> Have you just started the operation?
In this case, the fan rotates at very low speed temporarily to warm
up the internal parts of the unit.
□
<In the Heating mode> Is the room temperature higher than the
set temperature?
In this case, the outdoor unit stops and the indoor unit fan rotates
at very low speed.
□
<In the Heating mode> Is the Automatic defrosting operation
working? In this case, the indoor unit stops for maximum of 15
minutes. (Refer to
page 5
.)
□
<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.
□
<In multi connection> Are multiple units set in diff erent operation
mode as shown below?
In this case, the units set afterward will stop.
• Heating mode and other mode
Humidity does not drop.
□
<In the Dry operation> If the setting temperature is high, the
humidity may not drop.
⇒
To lower the humidity, lower the setting temperature.
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 5
.)
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 the Automatic defrosting operation
working? In this case, steam may rise from the outdoor unit. (Re-
fer 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 off 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 off then on again?
In this case, the protection circuit will operate for about 3 minutes.
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.
• Error sign is shown on the wired remote controller display or the
indicator lamps on the IR receiver unit.
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.
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