Panasonic MEW01777 Operating Instructions Manual page 65

Panasonic Eco Solutions Nordic AB
MEW01777 Rev: - Operating Instructions Fire alarm system EBL512 G3, V2.2.x
Voltage to earth > 18.3 V = Earth fault (plus).
Check all cables (for damage, etc.). The function of the control unit
cannot be guaranteed. Call for service personnel/engineer.
FAULT: Earth fault, output unit xxxxxx
Check all cables (for damage, etc.) connected to the unit.
FAULT: Expansion board x, control unit xx
This is valid for the exp. boards 4580, 4581 & 4583, i.e. no. x,
mounted in the control unit no. xx.
There is some internal fault on the board, which has to be replaced.
FAULT: 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 (0-3) in the control unit no. xx.
There is some internal fault on the board, which has to be replaced.
FAULT: External fuses, control unit xx
The fault is to be found in the external power supply equipment,
which has a fuse fault output connected to a programmable input in
control unit no. xx.
FAULT: External power supply,
control unit xx
The fault is to be found in the external power supply equipment,
which has a fault output connected to a programmable input in control
unit xx.
FAULT: External presentation unit xx,
control unit xx
1728 (Ext. Presentation Unit - EPU.)
The EPU xx, connected to control unit no. xx, is programmed as
another type in the SSD or a fault in the unit.
FAULT: Extinguishing system,
63