• The calibration numbers on Quarq Dzero gxp have suddenly jumped up by 100x and it is now failing to send power data. Has this happened to anyone before? I've followed the troubleshooting reboot advice but it hasn't fixed it.
    I'm expecting it is has died an early death, it's out of warranty but is there a repair service?

  • This happened to mine. I was riding along at normal pootling watts and suddenly it was reading >1000w. Shortly after it died and never gave any readings ever again despite trying all Quarq's suggestions. It was just out of warranty too, but they eventually agreed to replace the spider. Reluctantly. I made a donation to their preferred charity as a good will gesture.

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