DMG JUNIOR 4.0 - Page 55

User
Manual
File Name
Revision
Date
Page
93010350.EN_A_Junior 4.0 User
Manual_240828_v1.0 - VVVF
1.0
28/08/2024
55 / 90
N.
Fault
Type
Description
Remedy
44
Re-levelling not
completed
Hydraulic lifts: the re-levelling
procedure was not completed within
10 seconds. All subsequent re-
levelling requests at the same floor
are inhibited
Check:
1- the correct operation of the Safety
module and of its sensors ZP1 and ZP2;
2- Check the FAI/FAS or ENCODER
sensors and the ZP sensor;
3- position of the magnets in the re-
levelling zone;
4- RISO relay.
45
Fault ZP
Door zone contact stays open when
the sensor is in door zone position
Check the correct operation of the door
zone sensor (if present);
See Fault # 33
46
Multiplex link
interrupted
In multiplex systems, this fault
indicates that the link between two or
more controllers in the multiplex loop
is missing. Every controller switch to
SIMPLEX-like functioning.
Cod 0: cable wiring between
controller
Cod 255: firmware problem
Check the connection between the
controllers (MULX board);
Check all multiplex settings.
47
Faults memory
Errors in the faults memory
Erase all faults
48
BDU link
unavailable
In case of serial communication with
floors, indicates the loss of link
between the controller and all BDU
modules at floors
On BDUs
Green LED fast blinking (0,5 sec): OK
Green LED slow blinking (1 sec): OK
BDU is not addressed
Red LED ON: BDU defective
Red LED slow blinking (1 sec):
communication not established.
Red +Green LED slow blinking (1
sec): sync.
Check:
1- BDU connector on screw terminals;
2- connection between the controller and
the closest BDU;
3- the system configuration (§ 5.5)