
Computec
CDD6
EN
CDD6: user manual – rev.07
Page 67/74
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.
Check wiring or
settings (P-99)
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
(5.2.2). 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.
Check wiring or
settings (P-99)
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