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NOTE: If reasons are still unclear after checking above items, please contact
Napoleon service center and show phenomena and models.
Following circumstances are not malfunction.
Unit doesn't run.
Mist comes from the unit.
The unit emits noise.
The unit blows out dust.
The unit emits odor.
Indoor unit still runs after
switch off.
"Malfunction"
When unit is started
immediately after it is
just turned off.
When power is turned
on.
Under cooling.
Slight cracking sound
is heard when just
turned on.
There is consecutive
sound when cooling.
There is sound when
unit starts or stops.
There is slight and
consecutive sound
when unit is running
or after running.
When unit runs after
no operation for a
long period.
Operating.
After every indoor unit
receive "stop" signal,
fan will keep running.
Overload protection switch
makes it run after 3 minutes
delay.
Standby operating for about 1
minute.
Indoor high humidity air is
cooled rapidly.
It is noise when electronic
expansion valve initialization.
That's sound for gas
refrigerant flowing in the unit.
That's sound for gas
refrigerant stops flowing.
That's sound for operation of
drainage system.
Dust in indoor unit is blew out.
The room odor absorbed by
the unit is blew out again.
Indoor fan can be set as "ON"
or "AUTO" mode. Under "ON"
mode, indoor fan will keep
running after switch off the
unit.
33
Air Handlers
Reason
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