9
Don’t make
heat
The air
conditioner
can
refrigerate
but can’t
make heat
Outdoor P.C. Boardǃ4 way valve
coilǃ 4 way valve body. Examine
the CN204 at Outdoor P.C. Board
and watch if there is 220V
voltage .If there doesn’t have we
can judge that the P.C. Board is
bad. If there has, we need to
connect and check the whether the
4 way valve coil and the 4way
valve body have been damaged .
Outdoor P.C.
Boardǃ4way
valve coilǃ 4
way valve
bodyǃ
avometer.
Little split
unit of
frequency
conversion
10 Show error
code E8
The
machine
doesn’t
work and
shows error
code E8
Multimeter negative generatorǃ
indoor P.C. board ǃconnecting and
inserting lines .Check if the
Multimeter negative generator is
plane and the grounding (CF) is
touching well, then examine not
only whether the indoor P.C. Board
and control board have been
damaged or not but also the
connecting lines are good.
Multimeter
negative
generatorǃ
indoor P.C.
Boardǃ
control
board ǃ
grounding
(CF)ǃ
avometer.
The series
of
frequency
fixed
cabinet
type
11 Can’t start
The air
conditioner
can’t start
Transformerǃindoor
microcomputer plateǃfuse. Check
if the transformer has been
burned. power wave filterǃ
LX102.Check whether the fuse
and indoor microcomputer plate
have been damaged.
Transformerǃ
power wave
filterǃindoor
microcompute
r plateǃfuseǃ
avometer.
The series
of
frequency
fixed
cabinet
type
12
Show error
code F11
When the
air
conditioner
has run
about
5minutes
the indoor
unit shows
the error
code F11.
The system pressureǃoutdoor P.C.
BoardǃPower source voltageǃ
power modelǃthe connecting lines
of compressor. The cause is that
protective action has been taken
when it runs with large burden,
there is more refrigerant than it
should be .Examine the outdoor
P.C. BoardǃPower source voltageǃ
power model and see whether they
have been damaged and the
connecting lines touch well, if not,
adjust it to be normal.
outdoor P.C.
BoardǃPower
source
voltageǃpower
model .
The
machine of
frequency
conversion
split unit
Air Conditioner
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