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Remote is intermittent or does not control your Bose product | 3·2·1® Series II DVD home entertainment system
Be sure the remote control sensor on your product is not in direct light.
If the remote sensor on your product is in a very bright area (e.g. in excessive sunlight or lighting), the light interference could affect the ability of your product to detect the IR light commands from your remote control. If there is excessive light on your product, try reducing it.
Check that nothing is blocking the front of your product.
If the remote sensor on your product is fully or partially covered, it might not detect the commands from your remote control. If anything is blocking the front of your product, move it and check if the issue is resolved.
Be sure the system display is clean.
Debris, smudges or scratches on the plastic display cover can interfere with communication between the remote and the system. Use a clean, dry cloth to gently wipe the display.
Try new batteries in the remote.
In case the battery or batteries in your remote are low or have no power, replace them. Alkaline batteries are recommended over rechargeable batteries, which might output lower voltage. (Note: Battery testers are not always reliable since they might detect power but not indicate if there is adequate power for the remote.)
Check to see if a green light appears on the product display panel when a button on the remote is pressed.
When your product detects a command from the remote control, a green light glows in the bottom right of the display panel. If the light is not glowing, your product is not detecting the remote control.
Be sure the remote is within range of the system.
The range of the remote is 20 feet
Press the CD-DVD button on the remote then try operating the 321 system again.
Press the CD-DVD button so that the remote returns to operating the Bose system. Universal remotes are modal which means that after the TV, CBL-SAT or AUX button is pressed, the remote in a mode where most buttons operate that selected source, instead of the Bose system.
Check if the buttons on the system console work.
If the buttons on the system do not work either, see Product will not turn on.
Check to see if any buttons on the remote are working.
If some buttons on the remote work and some do not work, see Certain remote control buttons do not work.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
See if the remote is sending IR signal by looking at the top edge of the remote through a camera viewfinder.
Our eyes cannot detect the IR (infrared) light produced by your remote but many digital cameras can. Look at the top edge of the remote through a digital camera (i.e. a smartphone camera), then press a button on the remote. If you do not see a flash through the camera viewfinder when a button is pressed, the remote is not sending any signal*. If you do see a flash but the remote is not working, try the other troubleshooting suggestions to help determine if the issue is the remote or something else.
*Some smartphones have IR filters on the front and/or rear cameras, which prevents them from seeing this flash. So, if you don't see a flash, try both the front and rear camera, a different camera if available, and any other troubleshooting suggestions.
*Some smartphones have IR filters on the front and/or rear cameras, which prevents them from seeing this flash. So, if you don't see a flash, try both the front and rear camera, a different camera if available, and any other troubleshooting suggestions.
Make sure the proper remote control is being used.
A remote control from another product will have different or no functionality. If your have more than one Bose remote control, refer to the owner's guide of the product you are trying to control to be sure you using the right remote control.
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