How to interpret the B520 Auxiliary Power Supply Module status LEDs.

[#1]

The Heartbeat, battery and AC LED's are used to indicate the operational status of the B520 Auxiliary Power Supply.

Heartbeat LED:

• Flash 1x/ sec:
  • Normal State: Indicates normal operation state.
• Flash 3x/sec:
  • Trouble State: Power exists, but no communication.
• ON Steady:
  • Trouble State: Indicates a trouble condition exists.
• OFF Steady:
  • LED Trouble State: Module is not powered, or some other trouble condition prohibits the module from controlling the heartbeat LED.
• OFF for 3 sec, then flash pattern:
  •   Firmware version* Firmware Version: For example, if the version is 3.2.1, the LED pulses 3 times and pauses for 1 sec, pulses 2 times and pauses for 1 sec, and then pulses 1 time. After flashing the Firmware version, the heartbeat LED stays OFF for 3 sec before indicating the module state.

Batt 1and Batt 2 LED:

• Green, steady On LED:
  
  • Status of the battery is operational.
• LED steady Off:
  • Missing battery.
• Flashing:
  • Low battery.
• Triple flash:
  • Battery charger failure.

AC LED:

• Green, steady On LED:
  • The AC power is operational.
• Pulsating LED (3 pulses per sec).
  • Battery test is being performed.
• Flashing:
  • Low or failed AC.