Panasonic MEW01349 Operating Instructions Manual page 64

Panasonic Electric Works Nordic AB
MEW01349 Rev: - Operating Instructions Fire alarm system EBL512 G3, V1.1.x
control unit xx
Break (cut-off) / short-circuit in more than one segment on the COM
loop, in control unit no. xx.
FAULT: Network cables mixed control unit xx
In a redundant TLON Network the Network 0 cables and Network 1
cables are mixed. Check the network installation / connections.
FAULT: No connection with MMI board,
control unit xx
This fault message cannot be shown in the control unit's display, only
via WinG3, via Web-server and in other control units in the system.
Fault in the MMI board 5011 software or the MMI board. Check the
cable between the boards. This is a very serious fault. Call for service
personnel/engineer immediately.
FAULT: No reply expansion board x loop x
control unit xx
This is valid for the I/O Matrix board (4582) no. x, connected on
COM loop x in the control unit no. xx.

Check the board's address, i.e. the I/O Matrix board no.
(Jumpers JP1, JP2 and JP3 on the board).

Check if the board is disconnected from the loop.
FAULT: No reply zone: xxx address: xx
technical number xxxxxx
In spite of the control unit is communicating on the COM loop in both
directions, the unit cannot be found.
 Check the unit's COM loop address (with the
programming tool 3314).

Check the downloaded site specific data (SSD).

The unit might be faulty.

The detector might be removed from its base.

There might be a double break on the COM loop.
(Note! A single break gives the fault message:
FAULT: Cut-off .......).
FAULT: No reply, alert annunciation unit
xx, control unit xx
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