Ballu KF-25GWE, Руководство по обслуживанию

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5.REFRIGERANT SYSTEM DIAGRAM
6.PERFORMANCE CURVES
5.REFRIGERANT SYSTEM
9.SERVICE FLOW CHART
38
Switch on the
power supply
N o
Y es
N o
Y es
Check the trouble
Replace the
transformer
No
Y es
Display board
trouble
Y es
N o
Indoor control board
Is broken and
replace it
Reconnect all
the wires or
replace it
Y es
N o
Startup self-diagnosis
function
Remote controller trouble
or replace the battery
N o
Y es
Display board trouble
Y es
N o
Indoor control board trouble N o
Is the fuse blown?
N o
Y es
Check and find short circuit or open circuit among other
components such as transform error fan motor?
Y es
N o
Indoor control board trouble
Power light flickers
Indoors temperature
sensor trouble
Replace the
temperature sensor
Y es
Replace the indoor
control board
Timer light flickers
Indoor coil sensor trouble
Replace the indoor
coil sensor
Replace the indoor
control board
N o
Y es
Does the LED
display Normally?
Is the wires
poorly connected?
Does it receive the signal
of remote controller?
Is remote controller in
good condition?
After replacing the
display board, Is the
restyle trouble?
After replacing the
indoor board, Is there
still trouble?
Is indoor control
board short circuit?
Is the resistance of
sensor Normal?
Is the resistance of
sensor correct?
Y es
After replacing the display
board, Is the restyle trouble?
When the air conditioner works in the a normal condition, please press the
sensor button of the remote controller one time and then press this button
continuously two time, the trouble (the LED lamp flickers) will be display
ebon the display panel.
DIAGRAM
Check the transformer,
Is resistance of winding
0 (short circuit) or (open circuit)
8