
Computec
CDD5.0
EN
CDD 5.0: user manual – Rev.01
Page 56/63
Problem
Check
STEP
Question
Answer
Action
The system is
moving
properly in
Inspection
mode, but
does not
work in
Normal mode
Movements
check in Normal
mode
11
Check if the door drive is
in Normal mode
NO
Activate normal
mode (press key 4
for 1s, or until
NORMAL led is on)
YES
Go to step 12
12
Apply an opening
command to DOC input
(X3.1.5)
The door opens properly
with the set speed
profile
Go to step 14
The door opens with
reduced speed
The RSC command
(X3.1.22) is active.
Correct wiring or
settings
The door is not moving
and the display shows an
alarm (“AL” alternate to
alarm code)
Refer to alarms
table (paragraph
6.1)
The door is not moving
or is moving not properly
Go to step 13
13
Check if DOC command
is really active: if
available, with the
external handset access
to “MLC monitor” menu
(4.4.2) and check if DOC
is active (highlighted)
The DOC opening
command is not active
Check commands
wirings (X3). Check
that supply voltages
are correct . Then
return to step 12
The DOC opening
command is active
Check that ONLY
DOC command is
active and that DCC
or RSC are not
active. Check the set
speed profile and if
necessary perform a
speed profile reset
(4.6.1.3). then
return to step 12
14
Apply a closing
command to DCC input
(X3.1.3)
The door closes correctly
with the set speed
profile
Go to step 16
The door closes with
reduced speed
The RSC command
(X3.1.22) is active.
Correct wiring or
settings
The door is not moving
and the display shows an
alarm (“AL” alternate to
alarm code)
Refer to alarms
table (paragraph
6.1)
The door is not moving
or is moving not properly
Go to step 15
15
Check if DCC command is
really active: if available,
The DCC closing
command is not active
Check commands
wirings (X3), in
particular the DCC.
Verify that all the
supply voltages are
correct.
Then return to step