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Flash Pattern Flashes at 1/sec rate: Normal State: Indicates normal operation state. Flash at 3x/sec rate. Communication Error State: Indicates an SDI2 communication error, or the device has nothing programmed to it. ON Steady. Trouble State: Indicates a trouble condition exists. OFF Steady. 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. 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. ... View more

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. ... View more

B820 Inovonics wireless Interface module LED status. Flash Pattern Flashes once every 1 sec: Normal State: Indicates normal operation state. 3x Flash every sec: Communication Error State: Indicates an SDI2 Communication error. 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: 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. ... View more

  LED Action State Heartbeat, blue LED blinks at 1/2 sec rate. System is operational.   LED is solid on or off. System is powered off or is not operational. Reader, yellow LED is blinking rapidly. LED is off. Card data is executing.   LED is off. No card data is being received. ... View more

Bus Type, Address Selection and Function: Set the address switch to the correct position for the control panel SDI or Option Bus address using the table  below. ... View more