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  1. Acee

    2023 TCU Battery - Replacement

    Quick update - the TCU would only last about 5 or 6 days after a ride (without jump-starting it with a charging brick), so had a new TCU fitted. Shame the '23 model has an integrated watch battery, and not the old replaceable battery...
  2. Acee

    2023 TCU Battery - Replacement

    The dealer's fine (Surrey)- just these little issues. Having said that and coming from a 15 year old Epic, I'm scratching my head about things like gearing ("save weight with a single front cog but add weight with a massive cassette", "have the tiniest cog on the back seeing most of the work...
  3. Acee

    2023 TCU Battery - Replacement

    They replaced the harness the first time on mine. Next I'll be after a new TCU . You're right to be miffed about the flakiness of the bike. It feels a bit... unfinished.
  4. Acee

    2023 TCU Battery - Replacement

    Mine's not seem rain, and it's only a month old. If it doesn't turn on next weekend, I'll be back to the shop also.
  5. Acee

    2023 TCU Battery - Replacement

    right... didn't manage to get out on it, so it stood for a week and wouldn't turn on yesterday. Pulled out the TCU (T10 Torx) and attached a USB C cable from a 15000mAh battery pack to the TCU. Result, TCU turns on. I noted the Zendure battery pack stopped flashing immediately, suggesting the...
  6. Acee

    2023 TCU Battery - Replacement

    Thanks, the bike shop initially charged it overnight, and repeated the process when I returned it (followed by it parked in my kitchen for 5 days when I again found it dead). Yesterdays investigation saw it die again a couple of hours after I got it working (albeit with no immediate ride). I'll...
  7. Acee

    2023 TCU Battery - Replacement

    Ahh, that explains the lack of an obvious battery, then. Thanks. Re. waking up the bike - yes, I attached a mobile battery pack to the USB-C port (the one the manual says "is for Specialized retailers and service centers" ) and the TCU turned on with a press of the 'on' button. I removed the...
  8. Acee

    2023 TCU Battery - Replacement

    Hi, I've a 2023 "new" ("sat in a warehouse for the last 18 months") Levo Carbon Comp and twice I've got to the bike and can't turn on the Mastermind TCU, even though there's 90% in the big battery. The first time the shop replaced a cable and declared it fixed, but one week later it's dead...
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