EN-24
TROUBLE SHOOTING: BEFORE CALLING FOR SERVICE
Check the following points before calling
for service.
IF THE UNIT FAILS TO OPERATE
Check if the circuit breaker has tripped or the
fuse has blown.
IF THE UNIT FAILS TO HEAT (OR COOL)
THE ROOM EFFECTIVELY
nothing is blocking the air inlet or outlet.
tightly.
IF THE UNIT FAILS TO RECEIVE THE
REMOTE CONTROL SIGNAL
have become old and weak.
control pointed properly towards the unit’s
signal receiver window.
are installed properly.
Please call for service when
OPERATION indicator (green),
TIMER indicator (orange), and WLAN
indicator (green) on the unit blink
sequentially.
Special LED indicator indications:
a.
Error & Stop:
OPERATION indicator (green),
TIMER indicator (orange), and WLAN
indicator (green) on the unit blink sequentially.
b.
Filter Replacement:
OPERATION indicator,
c.
Plasmacluster unit Replacement Alert:
OPERATION indicator (green) lights up
when
AC is off.
d.
Defrost:
OPERATION indicator, either in blue or
green, fades in and out.
The following conditions do not indicate
equipment malfunctions
UNIT DOES NOT OPERATE
The unit will not operate if it is turned on
immediately after it is turned off. The unit will
not operate immediately after the mode is
minutes before operating the unit.
UNIT DOES NOT SEND OUT WARM AIR
The unit is preheating or
defrosting
.
ODORS
Carpet and furniture odors that entered into
the unit may be sent out from the unit.
CRACKING NOISE
This sound is generated by the friction within
parts of the unit expanding or shrinking due to
a temperature change.
A LOW BUZZING NOISE
This is a sound of the Plasmacluster ions
device
.
SWISHING NOISE
The soft, swishing noise is the sound of the
MIST SEEN AT INDOOR AIR OUTLET
In cooling operation, this is caused by the
difference between the room air temperature
and the air discharged.
WATER VAPOR
out of the outdoor unit during
defrosting
.
THE OUTDOOR UNIT DOES NOT STOP
After stopping the operation, the outdoor unit
will rotate its' fan for about a minute to cool
down the unit.
ODOR EMITTED FROM THE
PLASMACLUSTER AIR OUTLET
This is the smell of ozone generated from
the Plasmacluster Ion generator. The ozone
concentration is very small, posing no adverse
effect on your health. The ozone discharged
into the air rapidly decomposes, and its density
in the room will not increase.
OM-B142 ZU A5 EN.indd 24 2022/7/22 10:59:28
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