
44
‐
Control
Unit
E6L
/
Rev
6.11
THE
LOAD
GUARD
DOESN’T
WORK,
‘E15’
If
the
load
guard
does
not
give
pulses
of
right
length
during
the
start
‐
up
delay,
the
door
stops
and
changes
to
hold
‐
to
‐
run
mode.
The
display
shows
the
malfunction
message
‘
E15
’.
Simultaneously,
the
red
LED
H103
on
the
board
E6
‐
2L
flashes
at
a
rate
of
2
seconds
ON
and
2
seconds
OFF.
THE
LOAD
GUARD
HAS
STOPPED
AN
OPENING
DOOR,
‘E20’
If
the
load
guard
has
stopped
the
opening
door,
the
display
will
show
the
malfunction
message
‘
E20
‘
.
Simultaneously,
the
red
LED
H102
on
the
board
E6
‐
2L
will
be
flashing
at
a
rate
of
2
seconds
ON
and
2
seconds
OFF.
The
message
clears
off,
when
the
door
is
driven
to
open
or
close.
THE
DOOR
HAS
BEEN
STOPPED
BY
SWITCHING
OFF
THE
CONTROL
VOLTAGE,
‘E21’
If
the
door
is
stopped
in
the
middle
of
movement
with
the
selector
switch,
through
the
manual
use
disengagement
micro
‐
switch,
or
if
the
automatic
closing
function
is
interrupted
for
the
same
reason,
the
display
shows
the
malfunction
message
‘
E21
‘.
The
message
clears
off
when
the
door
is
driven
to
move.
OPERATING
TIME
FOR
LOCKING
LATCH
EXCEEDED,
‘E22’
If
the
VPLV
‐
board
for
the
control
of
the
locking
latch
is
in
operation
and
if
the
micro
switch
for
the
position
of
the
latch
has
not
connected
the
terminals
1
and
2
on
the
VPLV
‐
board
together
soon
enough
before
the
door
starts
opening,
so
then
the
display
will
show
the
malfunction
message
‘
E22
‘.
Simultaneously
the
red
LED
H103
on
the
board
E6
‐
2L
will
be
flashing.
The
message
clears
off,
when
the
door
is
driven
to
open
again.
AUTOMATIC
CLOSING
STOPPED
AT
IMPULSE
FROM
SAFETY
DEVICE,
‘E23’
If
automatic
closing
has
been
inhibited
through
the
program
board
and
if
to
the
terminals
46
and
47
has
been
connected
another
type
of
safety
device,
than
a
safety
edge,
and
if
the
connected
safety
device
has
stopped
and
opened
the
closing
door,
so
then
automatic
closing
will
be
inhibited
and
the
display
will
show
the
message
‘
E23
‘.
The
message
clears
off,
when
the
door
is
driven
to
move
again.
If
automatic
closing
has
been
inhibited
through
the
program
board
and
if
in
addition
to
this
inhibition,
another
safety
device
has
not
been
connected
and
if
then
a
normal
safety
edge
stops
and
opens
a
closing
door,
so
then
the
display
will
show
the
message
‘
E4
‘
like
described
for
collision
during
closing
run.
THE
PHOTOCELL
DID
NOT
PASS
THE
TEST,
“E30”
If
the
safety
photocell
in
the
closed
direction
did
not
pass
the
test,
error
code
“
E 30
”
is
displayed
on
the
service
terminal
screen.
Simultaneously,
the
red
LED
H104
blinks
rapidly
on
the
board
E6
‐
2L
and
the
control
will
change
to
hold
‐
to
‐
run
mode
in
the
closed
direction.
The
error
message
disappears
when
the
test
is
performed
successfully.
DOOR
LOAD
HAS
INCREASED
OVER
THE
INTRODUCED
LIMIT,
“E
31”
If
the
load
the
door
places
on
the
gear
changes
enough
from
the
originally
set
value
that
the
set,
permitted
change
values
are
surpassed,
the
service
terminal
display
shows
the
error
code,
“
E 31
”.
Simultaneously,
the
red
LED
H103
blinks
rapidly
on
the
E6
‐
2L
board,
representing
a
door
servicing
request.
At
the
same
time,
the
door
control
will
change
to
hold
‐
to
‐
run
mode
in
the
open
and
closed
direction.
In
a
situation
like
this,
the
load
diagrams
must
not
be
re
‐
run
but
THE
DOOR
MUST
BE
SER
‐
VICED
.
After
the
door
has
been
serviced
and
checked,
a
new
introduction
run
is
performed
which
removes
the
error
mes
‐
sage.
11.
SERVICE
AND
TROUBLESHOOTING
12/10