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8
SYSTEM PERIODICAL MAINTENANCE
Check that the green LED "POWER OK" is on
Check that all other control unit LED are off
Press the function TEST key on the LCD and enter the level 2 password to access the "TEST" menu.
Use the arrow keys to select the item "LED" (lamp test function), press the enter key to perform the test,
check that all light indications are on for some seconds.
1. Disconnect the 230 V AC mains supply from the MA-1000 control unit and check the following
conditions:
•
The indication of "MAINS LOSS" on the display
•
Yellow LED "FAULTS" flashing.
•
Yellow LED "POWER OK" on
•
Yellow LED "MAINS" on
•
General Fault relay active
•
After at least 15 minutes, check the battery voltage.
If the sum of the two battery voltages is lower than 20.5 V replace them.
2. Connect the 230 V AC mains power supply to the control unit, press the "SILENCE ALARM/FAULT" key
and check the following conditions:
•
There is no indication of Alarm in progress on the display
•
Yellow LED "FAULTS" off
•
Yellow LED "POWER OK" on
•
Yellow LED "MAINS" off
•
General Fault relay deactivated
3. Disconnect both batteries; wait (not more than 2-3 minutes) for the control unit to signal:
•
The indication of "BATTERIES NOT CONNECTED" on the display
•
Yellow LED "FAULTS" flashing
•
Yellow LED "POWER OK" on
•
Yellow LED "MAINS" on
•
General Fault relay active
Re-connect the batteries and press the "SILENCE ALARM/FAULT" key and check:
•
No breakdown signalling on the display
•
Yellow LED "FAULT" off
•
Yellow LED "POWER OK" off
•
Yellow LED "MAINS" off
•
General Fault relay deactivated
4. Alarm a line 1 device and check the following conditions:
•
Red LED "ALARM" flashing
•
Sounder output active
•
Alarm display
Press the "SILENCE ALARM/FAULT" key and subsequently the "SILENCE / RESOUND" key; the request to enter
the level 2 password is displayed (default = 22222).
Enter the password and check the following conditions:
•
Yellow LED SILENCE SOUNDER off
•
Red LED "ALARM" on
•
Sounder output deactivated
By pressing the "RESET" key, the request to enter the level 2 password is displayed (default = 22222).
Enter the password and check the following conditions:
•
Yellow "LED SILENCE SOUNDER" off
•
Red LED "ALARM" off
•
Sounder output deactivated
•
No alarm signalling on the display
At the end of the maintenance leave the control unit in the idle condition (without alarm and fault) and check
that the LED "POWER OK" is on.
M-167.1-MA1000-EN / 02.2023
MA-1000
29
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