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Service Manual
Model No.:
state:black screen
Black screen
Whether the voltage that
power panel supply to Inverter
is normal?
Y
N
Check the socket that controls Inverter,
whether the voltage output from pin 4 of J1
is in low level?
N
Y
Check and repair the
Check the external power supply circuit
Inverter is broken or
network that controls
connecting line is not good
Inverter ON/OFF
-54 -
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