Installation
and
Operation
Manual
(REV
H)
PVI
6500
/
PVI
7500
45
Fault
Mode
The
fault
mode
messages
are
as
follows.
Fault
mode,
serial
number
of
the
inverter,
software
versions
of
the
sequential
and
current
controllers
are
shown
and
then
the
error
messages
which
are
listed
in
the
Error
Message
Table
in
the
Troubleshooting
section
5,
3
seconds
↓
3
seconds
↓
3
seconds
↓
There
are
several
error
messages
that
show
the
detailed
conditions
that
can
cause
the
system
to
go
into
the
fault
mode,
such
as
the
messages
shown
below
that
show
that
the
frequency
of
the
AC
grid
is
too
high
(H)
or
too
low
(L).
After
three
(3)
seconds,
the
message
shows
the
present
frequency
and
the
frequency
that
caused
the
system
to
go
into
the
fault
mode.
X:
H
or
L
3
seconds
↓
3
seconds
↓
The
message
below
shows
that
the
AC
voltage
is
too
high
(H)
or
too
low
(L)
and
next
the
inverter
displays
the
AC
voltage
limit
as
well
as
the
present
AC
grid
voltage
measurement.
X:
H
or
L
3
seconds
↓
M o d e F a u l t
S / N X X X X X X X X X X X X
S E Q V e r s i o n X . X X
C U R V e r s i o n X . X X
M o d e F a u l t
e r r o r m e s s a g e
M o d e F a u l t
F a c X
T r i p a t X X . X H z
P r e s e n t X X . X H z
M o d e F a u l t
V a c X