Panasonic EBL512 Operating Instructions Manual page 48

Panasonic Electric Works Fire & Security Technology Europe AB
MEW00748 Rev: 1 Operating Instructions Fire alarm system EBL512 V2.3.x
FAULT: 1587-board x, CU xx
(External Fire Brigade Panel / DU interface board)
Fault on / no communication to 1587 board No. x in control unit No.
xx. Check address setting and connections on the board.
programming (Win512).
FAULT: 24 V for ext. equipment, CU xx
Check the fuses F2 and F4 on the connection board 1555. (Supervised
output S2 is also supplied via F2 and F4).
FAULT: 24 V for routing equipment, CU xx
Check the fuses F1 and F3 on the connection board 1555. (Supervised
output S3 is in some conventions / configurations supplied via F1 and
F3). Indicated by LED "L15" blinking.
FAULT: 24 V out, output unit xxxxxx
The output current is > 4A. (The output might also be turned off.)
FAULT: AAU xx, 1587-board x, CU xx
AAU=1735 / 1736
The unit is programmed as another type of unit than the SSD says or
fault in the unit.
FAULT: ASF COM-loop x, control unit xx
(ASF=2370, Addressable short circuit isolator)
This message is only shown when the control unit works in Sensitive
fault detection mode (menu H5/A2).
A short circuit, shorter / faster than the time delay for an ordinary
fault, has occurred on the COM loop. Can be used for commissioning
/ maintenance purposes.
FAULT: Battery not connected CU xx
• Batteries (2 x 12 V) are missing or not connected correctly.
• Fuse(es) F2, F3 on the charger board 1557 / 1657 is(are)
46
Check