Installation
and
Operation
Manual
(Rev
A)
PVI
50
‐
100KW
Series
Inverters
DOCR
‐
070233
Page
76
of
92
Unit
overheating,
power
de
‐
rating,
or
unit
not
putting
out
power
Check
the
insect
screens
in
the
front
louver
grill
on
the
main
enclosure
door
for
clogging
from
dust,
pollen
and
debris.
The
louver/grill
can
be
removed
with
16
Philips
screws
holding
it
on
and
the
insect
screen
can
be
cleaned
or
replaced.
See
Section
7.4
about
turning
the
inverter
off
before
performing
this
service.
Fan
not
running,
blocked
or
slow
o
Check
the
fan
fuses
inside
the
main
enclosure
(10A
AC).
o
Check
the
fan
relay
inside
the
main
enclosure.
o
Check
the
fan
and
make
sure
it
spins
freely.
o
See
Section
7.4
about
turning
the
inverter
off
before
performing
this
service.
No
grid
sensing:
o
Grid
sensing
fuses
blown
(1A
AC
or
as
labeled)
inside
the
main
enclosure.
Contact
Solectria
Renewables
(Do
not
replace
fuses,
as
this
represents
an
abnormal
failure).
No
LED
indications
when
the
sun
is
shining.
If
the
grid
voltage
and
DC
(PV)
voltage
is
present
and
no
response
from
inverter
is
evident:
o
Verify
AC
&
DC
(PV)
voltages
are
within
proper
ranges.
o
Verify
fuses
in
AC
&
DC
(PV)
disconnect
switch
are
good
(if
equipped
with
AC
fuses
and/or
PV
sub
‐
combiner).
If
it
is
determined
that
the
unit
or
any
part
of
the
unit
should
be
shipped
to
Solectria
Renewables
for
repair
or
replacement,
be
sure
to
get
an
RMA#
from
Solectria
Renewables
and
use
the
same
packing
method
as
when
it
was
shipped
to
you,
or
request
instruction
on
packing
and/or
packing
materials
from
Solectria
Renewables
to
help
insure
a
safe
shipment.
7.3
Preventative
Maintenance
WARNING:
These
maintenance
instructions
are
for
use
by
qualified
personnel
only.
To
reduce
the
risk
of
electric
shock,
you
should
never
attempt
to
open
the
inverter,
DC,
or
AC
enclosure
doors,
or
perform
any
service
or
maintenance
without
prior
training.
Before
attempting
to
service
the
inverter,
please
read
the
entire
manual.
For
most
installations
PM
should
be
performed
once
every
12
months.
If
the
inverter
is
installed
in
harsh
environments
the
frequency
of
some
items
should
be
increased.
Please
review
the
table
below:
Installation
Specifics
Visual
inspection
Clean
front
screen
and
rear
louvers
Verify
electrical
connections
Verify
signal
connections
Inside
climate
controlled
Once
per
12
months
Once
per
12
months
Once
per
12
months
Once
per
24
months
Outside
covered
Once
per
12
months
Once
per
6
months
Once
per
6
months
Once
per
12
months
Outside
exposed
Once
per
6
months
Once
per
6
months
Once
per
6
months
Once
per
12
months
Outside
harsh
environment
Once
per
3
months
Once
per
3
months
Once
per
6
months
Once
per
12
months
Outside
extremely
harsh
environment
Once
per
1
month
Once
per
1
month
Once
per
6
months
Once
per
12
months
