40
Faulty
relay
or
fuse
•
Turn
off
the
cabinet.
•
See
Component
Layout
to
locate
the
relay
board.
•
Check
LS4
relay
and
fuse
F4
on
the
relay
board.
See
Figure
9
‐
1
below.
•
If
fuse
F4
is
blown,
replace
with
F5
(spare).
•
On
terminal
J
6,
check
the
NO
to
Common
and
NC
to
Common
circuits
by
checking
continuity.
•
If
the
NO
to
Common
and
NC
to
Common
contacts
are
not
correct,
replace
the
Relay
Board.
•
If
the
NO
to
Common
and
NC
to
Common
contacts
are
correct,
proceed
to
the
next
step.
Faulty
electrical
socket
•
Socket
is
located
inside
the
work
zone.
•
Check
electrical
socket
connection.
•
If
connection
is
correct
but
socket
has
no
output,
replace
electrical
socket.
Software
Troubleshooting
Error
Code
Corrective Action
ERR.MSWITCH
•
Magnetic
switches
are
located
inside
right
profile
cover.
A.
Check
for
faulty
Magnetic
switch(es):
•
Turn
on
the
unit.
•
On
control
panel,
press
MENU
button
and
key
in
ADMIN
password
(if
any).
•
Choose
SET
MODE
option,
and
then
choose
MAINTENANCE.
•
Press
MENU
to
exit
menu.
•
Press
SET
button
to
read
diagnostic
message.
•
Press
DOWN
button
until
you
find
below
information:
M.Switch_0,
it
is
ON
when
sash
is
at
normal
operating
height.
•
M.Switch_0
is
connected
to
port
J10
on
main
board
(SeeComponent
Layout).
When
M.Switch_0
is
activated,
port
DIN1
and
J10
on
main
board
are
shorted.
•
If
M.Switch_0
is
off,
the
sash
is
in
a
position
that
would
trigger
the
sash
alarm.
•
Check
the
actual
state
of
the
magnetic
switches
and
observe
their
corresponding
signals
on
the
main
board
(remove
the
sash
profile
to
access
the
magnetic
switches).
•
Replace
the
faulty
switch.
B.
Check
for
faulty
main
board
of
Sentinel®
control:
•
Turn
off
the
cabinet.
•
See
Component
Layout
to
locate
the
main
board.
•
Remove
the
connection
from
DIN1
and
J10
on
main
board.
•
Switch
on
the
system.
•
If
the
LCD
shows
“SASH
ALARM”,
the
main
board
is
okay.
•
If
the
LCD
does
not
show
“SASH
ALARM”,
the
main
board
is
faulty.
Replace
the
faulty
main
board
ERR.CALIB
•
Calibrate
the
controller.
Refer
to
test
report
to
calibrate.
Figure
9
‐
1
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