42
EN
IP2163EN
8.3 Display of alarms and faults
Alarms and faults can be displayed with any display selection. The signalling of alarm
messages takes priority over all other displays.
Type of
alarm
Display Description Operation LED
Mechanical alarm
M0 - Selected motor not suitable. Set correct motor wiring.
M3 - Automation blocked (open/
closed)
Check the mechanical parts
M4 - Motor short circuit Check the motor is correctly con-
nected.
Check the motor is working prop-
erly.
M8 - Gate too long error (>25 m) Check the rack / chain belt
M9 - Gate too short error (< 200 mm) Manually check that the door wing
moves freely.
MB - Absence of motor during an op-
eration.
Check connection of motor.
Check motor brush contacts.
If the problem persists, contact
Technical Support.
MD - Irregular functioning of motor
opening limit switch.
Check connection of the motor open-
ing limit switch.
ME - Irregular functioning of motor
closing limit switch.
Check connection of the motor clos-
ing limit switch.
MI - Detection of fifth consecutive
obstacle.
Check for the presence of permanent
obstacles along the stroke of the au-
tomation.
ML - Inverted limit switches Check limit switch connection.
Power supply
operations alarm
R0 - Insertion of a storage module
containing over 100 stored remote
controls.
WARNING:
→ → is set
automatically.
The alarm is displayed 3 times only.
To save the system configurations
on the storage module, delete any
stored remote controls and bring the
total to less than 100. Set
→
→
.
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