CRITICALPOINT 700/800MHZ BDA/DAS/BBU V3 USER MANUAL
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568 Gibraltar Drive, Milpitas, CA 95035 | +1 408 526 0180
Rev. 1-0-2 Rev. Date: 11-1-2024
Battery Connection Fail Alarm
There is no Battery detected. Battery is disconnected.
Visually check that the Battery + and – terminals as well as the RS485A and RS485B terminals
are properly connected inside the BBU and the BDA/MU/RU. Ensure that the Battery is awake,
with status LEDs illuminated, and the Battery breaker is ON. Power down and fix if necessary.
If the connections are correct and the problem persists, call Technical Support.
Battery Comm. Fault Alarm
The Battery (Battery BMS to BDA) communication has failed. The BDA/MU/RU can no longer
communicate with battery. Battery parameters cannot be viewed.
Visually check that the Battery + and – terminals as well as the RS485A and RS485B terminals
are properly connected inside the BBU and the BDA/MU/RU. Ensure that the Battery is awake,
with status LEDs illuminated, and the Battery breaker is ON. Power down and fix if necessary.
If the connections are correct and the problem persists, call Technical Support.
Charger Comm. Fault Alarm
The Battery Charger (to BDA) communication has failed. The BDA/MU/RU can no longer
communicate with Battery Charger. Battery Charging parameters cannot be viewed.
Check the communication cable connection inside the BDA/MU/RU to ensure the Battery
Charger is properly connected (refer to Alarm Simulation Section). If the problem persists, call
Technical Support.
AP Comm. Fault Alarm (AP 1 - 4)
The AP (to BDA) communication has failed. The BDA/MU/RU cannot establish connection to
the AP. The alarms will not display on the AP.
Check the Power and RS485 connection between the BDA/MU/RU Annunciator Panel to
ensure they have not been damaged or disconnected. Power down the system and correct the
issue if necessary. If the problem persists, call Technical Support
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