Issue Type 1 - Rear Derailleur Connection Failure
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The charging indicator light glows red while the device is charging;
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After turning on Bluetooth and searching within the mobile App, no shifting device can be detected on the page;
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No blue status light lights up on the derailleur itself. This blue light is the operation indicator, which is different from the red charging light.If your device shows any combination of the above symptoms,Please follow the operation steps in the video to self-check and resolve the issue.
Issue Type 2 - Rear Derailleur Fails to Shift
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Rear derailleur battery level displays normally, App connects to the device smoothly
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When shifting via App, the signal light on rear derailleur lights up
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However, the rear derailleur does not operate
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No response after clicking buttons in initial calibration page, refer to the video to perform initial calibration
Please refer to the video. If shifting still fails after following the above steps, the rear derailleur is faulty.
