Panasonic EBL512 Operating Instructions Manual page 69

Panasonic Eco Solutions Nordic AB
MEW01457 Rev: - Operating Instructions Fire alarm system EBL512, V2.7.x
or
The key cabinet has not been closed within 5 minutes after reset of all
fire alarms in the system.
FAULT: L-C mixed COM-loop x, CU xx
The two wires L (SA) and C (SB) have been mixed (alternated). Check
so that the wire connections are correct according to drawing 512-41.
FAULT: LON-board 1590, control unit xx
(TLON connection board, 1590)
No communication / connection with the TLON network. The board
has to be changed.
FAULT: Loop unit technical number xxxxxx
The communication with the unit is not all right, i.e. the unit is out of
order / faulty.
FAULT: Low battery capacity, CU xx
Battery internal resistance is too high. The check is performed every
th
12 hour.
 The battery might be too old.
 Cables, fuses etc. for externally placed batteries might cause a
voltage drop.
 Check / adjust the rectifier (power supply) voltage (24 V DC).
 Check the charging voltage over the battery respectively (13.5-
13.8 depending on the actual charging step).
 Check the voltage over a disconnected battery (fully charged >
13 V).
In the New Zealand convention only:
The battery charging is turned off 60 minutes every 24
battery voltage < 24.4 V during these 60 minutes will generate a fault.
If a fault is generated it will automatically be Serviced after these 60
minutes.
FAULT: Low main PWS, control unit xx
 Mains voltage below 187 V AC. Blown fuse (230 V AC) or no
67
th
hour. A