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811-000-000 SDS© DC-PWM Compatible • Edition 25 March 2016
6.11ALARMS
The Sematic Drive System© controller has the ability to diagnose and record a number of defects; such
diagnostics is very helpful to the maintenance personnel in order to locate possible operational problems.
When any monitored error occurs, the Door Controller display will signal it and the error code will show.
The following table illustrates the type of signalling and the relevant alarm detected by the Door Controller:
Notes:
1. This alarm can only occur if the MAIN LIFT CONTROLLER TEST has been set either to “WHEN Moving” or
“Moving+Parking” and the “MAIN LIFT CONTROLLER INPUT ALARM” parameter has been set to “ON” (see § 6.4
(pg. 21)).
2. This alarm indicates an excessive strain in the operator's functioning; it is advisable to check that the system
has no friction whatsoever, especially during the opening phase.
3. This alarm can only occur if the REVERSING SYSTEM parameter has been set to “EXTERNAL” (see § 6.2
(pg. 21)).
4. If motor connections are inverted, the door opens when a closing signal is received and closes with an opening
signal. The Door Operator is pre-wired and tested by the manufacturer; so special attention must be taken
when replacing motor and/or cables.
ALARMS TABLE
Code on display Viewed error Error description Action undertaken by Door
controller
01 No MLC Signal
(No MAIN LIFT CONTROLLER
signal)
No MLC Signal
Main lift controller is disconnected
or has failed (Note 1)
Auto reset when proper condition
is restored.
02 Over current protection Motor over current due to door
mechanical strain (Note 2)
Auto reset after a time depending
on motor
03 Reversing system fault The main lift controller does not
send the reopening command
after the Door Controller has
signalled an obstacle (Note 3)
Door drive keeps on closing at low
speed.
06 Motor thermal protection Motor over-heating (with motors
where internal PTC sensor is
present)
Auto reset when normal operating
conditions are restored.
07 Motor jerk Interruption of the motor cables
(Note 4)
Auto reset after 5 seconds; after 5
occurrences within 5 minutes the
system stops
08 Over-voltage Over-voltage in the power supply Door controller switches to low
speed, signals the error, and
performs an auto-reset; after 5
occurrences within 5 minutes the
system stops
09 PWM-Trip Impulse over-current Auto reset when proper condition
is restored; after 5 occurrences
within 5 minutes the system
stops.
10 Internal Generic alarm due to an internal
malfunction of the Door Controller
Auto reset when proper condition
is restored.
11 Power supply protection Internal switching power supply
over current, due to mechanical
strain
Auto reset when proper condition
is restored; after 5 occurrences
within 5 minutes the system
stops.
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