Panasonic MEW01349 Operating Instructions Manual page 63

Panasonic Electric Works Nordic AB
MEW01349 Rev: - Operating Instructions Fire alarm system EBL512 G3, V1.1.x
FAULT: Low voltage, output unit xxxxxx
System voltage < 21 V DC in the external power supply unit 3366.
Check the power supply (rectifier) 1537 output voltage, which shall be
24 V DC. Replace 1537 if required.
FAULT: Mains, control unit xx
The fault is activated 1-300 minutes

Loss of mains, i.e. no 230 V AC

Blown mains fuse.

Blown fuse F1 on main board 5010. Fuse T6.3A H 250V
(5x20 mm ceramic).
FAULT: Mains, external power supply,
control unit xx
This is valid for an external power supply equipment, which has a
fault output connected to a programmable input in the EBL512 G3
system.
The fault is activated 1-300 minutes
 Loss of mains, i.e. no 230 V AC to the ext. power supply
equipment.
 Blown mains fuse.
 Check the programmable input connections.
FAULT: Mains, output unit xxxxxx
This is valid for the external power supply unit 3366 and the
addressable 2 voltage outputs unit 3364, connected on the COM loop.
The fault is activated after 1-300 minutes).

Loss of mains, i.e. no 230 V AC to the 3366 unit.

Blown mains fuse.

Fuse F1 blown on the 3366 unit's charger board 3367.
Fuse T5A L (5x20 mm).

3364 unit:
o
Terminal no. 8 (/Mains OK) not connected to the
3366 unit (J7:4) or 0 V, see drawing 512 G3 - 38.
o
"no mains signal" from the 3366 unit.
FAULT: Multiple faults, COM-loop x,
28
The time is programmable via WinG3. Max. 30 min. according to the
EN54-2 standard. Default value depending convention.
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