Specifications

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Fault
Fault
Fault
Fault
Code
Code
Code
Code
Fault
Fault
Fault
Fault Type
Type
Type
Type Reason
Reason
Reason
Reason Solution
Solution
Solution
Solution
4. Select an inverter with bigger
power
5. Adjust F b.11 to a proper value
8
8
8
8 .2
.2
.2
.2 C
C
C
C ommon
ommon
ommon
ommon F
F
F
F a
a
a
a ults
ults
ults
ults and
and
and
and S
S
S
S olutions
olutions
olutions
olutions
Inverter may have following faults or malfunctions during operation, please refer to the following
solutions.
No
No
No
No display
display
display
display after
after
after
after power
power
power
power on:
on:
on:
on:

Inspect whether the voltage of power supply is the same as the inverter rated voltage or not with
multi-meter. If the power supply has problem, inspect and solve it.
 Inspect whether the three-phase rectify bridge is in good condition or not. If the rectification bridge
is burst out, ask for support.
Power
Power
Power
Power supply
supply
supply
supply air
air
air
air switch
switch
switch
switch trips
trips
trips
trips off
off
off
off when
when
when
when power
power
power
power on:
on:
on:
on:
 Inspect whether the input power supply is grounded or short circuit. Please solve the problem.

Inspect whether the rectify bridge has been burnt or not. If it is damaged, ask for support.
Motor
Motor
Motor
Motor doesn
doesn
doesn
doesn ’
’
’
’ t
t
t
t move
move
move
move after
after
after
after inverter
inverter
inverter
inverter running:
running:
running:
running:
 Inspect if there is balanced three-phase output among U, V, and W. If yes, then motor could be
damaged, or mechanically locked. Please solve it.

Ask for help i f the output is unbalanced,
 A sk for help if there is no output voltage.
Inverter
Inverter
Inverter
Inverter displays
displays
displays
displays normally
normally
normally
normally when
when
when
when power
power
power
power on,
on,
on,
on, but
but
but
but switch
switch
switch
switch at
at
at
at the
the
the
the input
input
input
input side
side
side
side trips
trips
trips
trips when
when
when
when running:
running:
running:
running:

Inspect whether the output side of inverter is short circuit. If yes, ask for support.