BMKH42M-NDG3 Owners Manual

Free match series
15
6 The conditions listed below are not classified into errors.
Table 10
Conditions
Causes
The unit does not run
When restart the unit soon after it is
stopped.
The overload protection switch of the unit let the
startup delayed for three minutes.
As soon as power is on.
The unit will stand by for approximate one
minute.
The unit blows out mist
When the cooling operation starts.
The hi-humidity air indoor is cooled quickly.
The unit generates noise
The unit “clatters” as soon as it
starts running.
It is the sound generated during the initialization
of the electronic expansion valve.
The unit “swishes” during the
cooling operation.
It is the sound when the refrigerant gas runs inside
the unit.
The unit “swishes” when it is
started or stopped.
It is the sound when the refrigerant gas stops
running.
The unit “swishes” when it is in
and after the running.
It is the sound when the draining system is
operating.
The unit “squeaks” when it is in
and after the running.
It is the sound of frication generated by the skin
plate etc which swells due to the temperature
change.
The unit blows out dust.
When the unit restarts after it is not
used for a long time.
The dust inside the unit is blown out again.
The unit emits odors.
When the unit is running.
The odors absorbed in are blown out again.
NOTICE!
If problem can not be solved after checking the above items, please contact Blueridge service center and show
phenomena and models.
Following circumstance are not malfunction
Table 11
Malfunction Reason
Unit doesn’t run
When unit is started
immediately after it is just
turned off
Overload protection switch makes it run after 3 minutes
delay
When power is turned on
Standby operating for about 1 minute
Mist comes from the
unit
Under cooling
Indoor high humidity air is cooled rapidly
Noise is emitted
Slight cracking sound is heard
when just turned on
It is noise when electronic expansion valve initialization
There is consecutive sound
when cooling
That's sound for gas refrigerant flowing in unit
There is sound when unit starts
or stops
That's sound for gas refrigerant stops to flow
There is slight and consecutive
sound when unit is running or
after running
That's sound for operation of drainage system
Cracking sound is heard when
unit is operating and after
operating
That’s sound caused by expansion of panel and other
parts due to temperature change
The unit blows out
duct
When unit runs after no
operation for a long period
Dust in indoor unit is blew out
The unit emits odor
Operating
The room odor absorbed by the unit is blew out again
Indoor unit still runs
after switch off
After every indoor unit receive
"stop" signal, fan will keep
Indoor fan motor will keep running 20-70s so as to take
good use of excess cooling and heating and prepare for