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A:

 9300 S.W. Gemini Drive Beaverton, OR 97008 USA

           

T:

 +1 503.641.7287

           

W:

 

www.biamp.com

10

TROUBLESHOOTING

On the front of the unit you will find LED indicators used for error indication  
(the “ON” LED and input/output LED number 1-6).

The “ON” LED can have the following indications:

Error indication using LEDs

If you experience a system error, the front panel “ON” LED indicator will 
flash red together with some of the input/output LED indicators. You can 
find the error type and possible solutions below.

Description

“ON” LED behavior

System starting

Orange non-flashing

System running

White non-flashing

System error

Red flashing

Firmware upgrade in progress

Orange non-flashing

LED shows

Description

Solution

No connection to one  
or more NEB units.

•  Check that the NEB units used in the project are connected.  

Make sure that a NEB extender is used at the end of the connected NEB unit. 

•  After doing one of the above, remove the power to the control system for  

20 sec before reconnecting the power again.

No project found on  
the control system.

•  Try to upload the project again. 

•  If the problem persists after several successful uploads,  

contact Biamp or your local distributor.

Missing SD card or  
error on SD card.

•  Make sure that there is a SD card inserted in the control system.  

(Look at the rear panel).

•  After doing the above, turn off the power to the control system for  

20 seconds before turning the power on again.

Unexpected Error.

•  Turn off the power to the control system for 20 sec before turning the  

power on again.

•  After doing one of the above, remove the power to the control system for  

20 sec before reconnecting the power again.

No contact to the
extension unit.

•  Check to confirm that the serial number used in Project Designer matches  

the extension unit.

•  Check the network or RS-232 connection from the control system to the 

extension unit.

Wrong firmware version  
in Biamp extension unit.

•  The extension unit has a different firmware than the one in the control system.

•  Please upgrade the firmware by plugging in the USB cable from the extension 

unit into a PC running Project Designer and follow the instructions.

Summary of Contents for IMPERA ALFA II

Page 1: ...ts that are not recommended because they may be hazardous Warning This equipment should be operated only from the included power supply To remove power from the equipment safely remove all power cords...

Page 2: ...Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause u...

Page 3: ...V equipment and makes it easy to use through the same interface and recognizable cus tom graphical user interface Create custom graphical user interfaces using the intuitive Biamp Project Designer sof...

Page 4: ...t 0 5A Connector 5 pin screw block RS 232 Baud rate 1200 115200 bit sec Data bits 7 8 Parity Even Odd None Stop bits 1 2 IR Transmit frequency 400 Hz to 500 KHz IR Learn frequency 1 KHz to 150 KHz uSD...

Page 5: ...ving on RS 232 or IR 2 Indication for Input and Output on rear panel I O 3 Relay indication and test buttons 4 Mini USB for programming 5 Input for IR learning 6 Power indication Number Description 1...

Page 6: ...erformance If installed in a closed environment forced air circulation may be needed Mounting the unit in a 19 rack The ALFA II can easily be installed in a 19 rack Due to the standard 1U height low w...

Page 7: ...cable The cable will be equipped with a line socket connector for use in the country of sale The ALFA II incorporates a universal mains power supply which ac cepts AC line input from 100 V to 240 V R...

Page 8: ...d as inputs the applied voltage must be below 1 VDC to be accepted as LOW and above 4 VDC but below 24 VDC to be accepted as HIGH The inputs are default HIGH and must be con nected to ground in order...

Page 9: ...s the system into the local area network There are two LEDs on the connector with the following indication Factory default IP settings is IP address 192 168 254 253 Subnet 255 255 255 0 10 100Mbit Aut...

Page 10: ...ec before reconnecting the power again No project found on the control system Try to upload the project again If the problem persists after several successful uploads contact Biamp or your local distr...

Page 11: ...amp All rights are reserved No third party is allowed access to content information or data in this manual without Biamp express written consent CHANGES Biamp reserve the right to change the specifica...

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