M series - 9 -
Maintenance:
Unit should be tested at least once a year for the proper operation as follows:
Output Voltage Test: Under normal load conditions the DC output voltage should be checked for proper voltage level
(Output Voltage and Stand-by Specification Charts, pg. 4).
Battery Test: Under normal load conditions check that the battery is fully charged, check specified voltage at the battery terminals
and at the board terminals marked [+ BAT --- ] to ensure that there is no break in the battery connection wires.
Note: AL300ULXB2, AL400ULXB2, AL600ULXB and AL1012ULXB (Power Supply Board) maximum charge current is 0.7A.
AL1024ULXB2 (Power Supply Board) maximum charge current is 3.6A.
Expected battery life is 5 years; however, it is recommended to change batteries within 4 years or less if necessary.
LED Diagnostics:
Power Supply Board
LED
Power Supply Status
Red (DC) Green (AC)
ON ON Normal operating condition.
ON OFF Loss of AC. Stand-by battery supplying power.
OFF ON No DC output. Short circuit or thermal overload condition.
OFF OFF No DC output. Loss of AC. Discharged battery.
Red (Bat) Battery Status
ON Normal operating condition.
OFF Battery fail/low battery.
MOM5 - Output Module
LED ON OFF
Power (Green) Normal operating condition. Power failure.
Trigger (Green) Input is triggered (alarm condition). No input trigger (non-alarm condition).
Outputs (Red) Output tripped due to a short circuit or overload condition. Normal operation.
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