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En-12
OPERATING MANUAL
WARNING
breaker or disconnecting the power plug. Then consult your dealer or authorized service personnel.
• Unit smells of something burning or emits smoke
• Water leaks from the unit
Following symptoms do not indicate product malfunction, but they are normal functions or characteristics of this product.
Symptom Cause See page
Operation is delayed after
restart.
To prevent blowout of the fuse, the compressor will not operate while the protection circuit is working
–
Noise is heard. •
heard. Also it may be particularly noticeable for 2–3 minutes after starting operation.
• During the operation, a slight squeaking sound produced by the minute expansion and contraction
of the front panel caused by temperature change may be heard.
–
During heating operation, a sizzling sound produced by the automatic defrosting operation may be
heard.
Smell coming from the unit. Various smells generated from interior textile, furniture, or cigarette smoke absorbed into the air
conditioner may be emitted.
–
Mist or steam is emitted from
the unit.
In COOL or DRY mode, a thin mist generated by condensation formed with sudden cooling process
may be emitted.
–
automatic defrosting operation may be seen.
• Immediately after the heating operation is started, the fan speed stays very low temporarily to warm
up the internal parts of the unit.
• In HEAT mode, the outdoor unit stops and the indoor unit operates at very low fan speed if the
room temperature rises above the set temperature.
–
In DRY mode, the indoor unit operates at low fan speed to adjust the room humidity, and may stop
from time to time.
–
–
In COOL mode, the indoor unit fan may stop from time to time when the outdoor unit is stopped. 4
When monitoring operation is performed in AUTO mode, the fan rotates at very low speed. –
Outdoor unit emits water. During heating operation, the outdoor unit may emit water generated by the automatic defrosting
operation.
Symptom Diagnostic See page
Does not operate at all.
–
Poor cooling or heating perfor
mance.
–
4
Are there other heating apparatus or computers operating, or too many people in the room in cool
–
from the remote controller
setting.
2
• The problem persists even if you perform these checks or diagnostics.
• The OPERATION indicator and TIMER indicator blink while the ECONOMY indicator is blinking fast.
NOTES:
• For any troubleshooting related to the wireless LAN control, refer to the setting manual for wireless LAN control or the mobile app installed in your
smartphone or tablet PC.
Troubleshooting