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Service Manual
Model No.:
Picture 3
Display unit ( lack 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 6 of 12
is in low level
N
Y
Check and repair the
Check the external power supply circuit
Inverter is roken or
network that controls
connecting line is not good
Inverter ON/OFF
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