make sure that your contacts are clean, try some alcohal and that the magnet on the wheel is at the right angle. Your manual should tell you how to program it for km/h, don't forget you changed batteries.
To reset you will have to set all the settings on zero.
If you press the lower button on the display panel,then you will see the functions display.In functions display select all the functions one by one by pressing the upper button on the display panel.Keep the upper panel button pressed for 2 seconds then only each function will get set to zero.Once it set to zero.Its done.
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there is a two page manual available,if you wish you get the instructions.
please click on the link below and get the manual downloaded.
http://safemanuals.com/annexe_AUTRE-NOTICE_SIGMA%20SPORT_BC-800-_E.htm
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http://safemanuals.com/314159.php?k=c14b7db1ee2afa9f42d4c2c824aaa4bc&ID=2669104&q=SIGMA%20SPORT%20BC%20800
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One of two things has happened to the unit, it's gone out for good or the button is messed up some how. If you look through any basic info on wiring you can realize that it's pretty simple to take something apart and put it back together. It's broken anyways so if it's not under waranty and you'd rather just fix it. Unscrew the screws holding the casing and look at where the switch is. it could have corroded due to rain or it could even just be stuck like an old cassette player.
I had the same problem...the online code that sigma gave is way off. I had a 700x23c and it was telling me 2133. Sheldon's site told me 1302 which seems much closer. I'm heading out tonight to test it. Here's the site...
http://www.sheldonbrown.com/cyclecomputer-calibration.html#ccc
Reset: Trip distance, Trip time, Average speed and Max speed to zero: * Press MODE 1 button until the desired function to zero out displayed * Press and hold RESET button. The display will flash and star 2 seconds the displayed function will clear. * Hlding RESET button longer than 4 seconds will zero out; Trip distance, Trip Time, Average speed and Max speed functions at the same time.
Also can check this video, and check literature in Sigma Sport
I don't have this model but understand many odometers, like mine, reset the wheel size to wrong setting when battery replaced. Go to setup screen to reset to correct value. Setup screens normally appear if buttons held for about 2 seconds or more. Some models require millimeters and some centimeters. If you don't have a figure for your tyre measure the distance on the ground for one complete revolution of the wheel.
Standard WD40 is just a 'quick fix' as it isn't an actual oil unless the can is clearly labelled as "Bike All Condition Lubricant". It'll be best to buy a proper light oil like 3in1, 151 Super oil or an actual chain lube.
This 'clickey' noise. Is it random and happening every so often or is it a constant, regular click that changes with the speed your pedalling at? Check for slack in the chain. as you wiggle the chain up and down there should only be about a centimetre of movement in the chain. If it's too slack or too tight it can make strange noises. Check the axle bolts and nuts to make sure they're not loose. Check the wheel is mounted straight. If it's turned left or right the chain will 'skip' as it's slightly missing the cog teeth on the wheel. Use the frame at the rear end of the wheel as reference and measure how far the side of the wheel is from the frame on both sides. It should be about the same both sides.
I have done a tremendous amount of research on this problem. New Balance (Fitness Quest) is out of business as of late 2012 and no parts are available. The main bearing or crank bearing set is 100% compatible with Proform part number 295560. Since New Balance put their name on this product, they have stated they will reimburse customers for the repairs.
