Computec
CDD5.0
EN
CDD 5.0: user manual – Rev.01
Page 52/63
Code
Type
Description
Controller actions
User actions
AL08
Alarm
Over-Voltage
The controller restarts within
10s to recheck if normal
working conditions restored.
After 5 consecutive errors
within 5’, the system stops
waiting for maintenance.
Check that power supply
input is within the declared
operating range.
Check that the speed
profiles are not too fast for
the installed system.
AL09
Alarm
Motor over-current
The controller restarts within
10s to recheck if normal
working conditions restored.
After 5 consecutive errors
within 5’, the system stops
waiting for maintenance.
Check that no short-circuit
are present on the motor
output of the door drive.
Check that motor is not
short-circuited.
Check the controller
integrity: switch off the
door drive, disconnect the
motor plug. Switch on the
door drive and check the
AL09 is not present
AL10
Warning
Internal error
The controller restarts within
10s to recheck if normal
working conditions restored,
checking the internal units.
-
AL11
Warning
Power supply module
over-temperature
The controller waits for the
normal working condition
restored
The controller is working
under
system/environmental/setti
ng condition too heavy.
Reduce the speed profiles
in opening if frequent
occurrence
AL12
Warning
Mechanical block during
opening
Code stored in statistics
The controller continues the
normal behaviour
Check the presence of
possible mechanical issue of
abnormal friction on all the
floors.
- Table 26: CDD 5.0 alarms/warning list -