Inovance H0U-88B1G - Page 50

Phenomenon Possible Cause Checking Item Handling Method
sequence error status of power
supply and
phase
sequence in
“Actually
measured
parameter”.
sequence of power
supply cable
Power supply
under
voltage
Temperature
sensor
fault
Check the
wiring
Pressure sensor
fault
Check the
wiring
Inverter fault is
not cleared
There is fault
prompt in
“status report”.
Fault is not
cleared.
The default
screen should
not have
blinking LED.
Press clear button
in “Status report”.
Effective when
pressing the start
key in the default
screen.
Go back to the
default screen.
Screw
compressor
cannot stop.
Effective when
pressing the stop
key in the default
screen.
Go back to the
default screen.
Inverter
communication
failure prompt
The
communication
cable between
controller and
MD320 is not
Check the
connection of
two ends of the
cable.
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