Panasonic MEW01777 Operating Instructions Manual page 71

Panasonic Eco Solutions Nordic AB
MEW01777 Rev: - Operating Instructions Fire alarm system EBL512 G3, V2.2.x
personnel/engineer immediately.
FAULT: No reply, expansion board x,
control unit xx
Valid for the 8 zones exp. board 4580, the 8 relays exp. board 4581
and the Inputs and outputs exp. board 4583, mounted in the control
unit no. xx.
 EBL512 G3 cannot communicate with the board. Check /
change the address. Check the cables / connections.
 Check if the Main board fuse F13 is broken. Fuse: T4A L
250V (TR5).
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, alert annunciation unit
xx, control unit xx
FAULT: No reply, external presentation unit
xx, control unit xx
FAULT: No reply, fire brigade panel xx,
control unit xx
Alert Annunciation Unit 1735 / 1736.
External Presentation Unit 1728
External Fire Brigade Panel 1826 / 1828
 The contact with the unit is interrupted. Check the cable, all
connections, etc. Is correct / complete SSD downloaded (via
EBLWin)? Check the address and SW mode settings.
 Check if the Main board fuse F19 is broken. Fuse: T1.6A L
250V (TR5).
 If there is a program memory fault in the unit, there will be a
fault message, shown briefly in the unit's display during start
"Memory fault in program area (n)"
up:
2). The unit will not work.
FAULT: No reply Loop unit xxxxxx
69
(n=1 or