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    Ryobi ZT480E - No Movement, but blades turn on.

    I did also suspect that. For my particular issue I still had one working wheel so I did swap testing for the motor controllers and was able to verify that both controllers could run the known working motor. I did the same swap test on the control arms to verify they were providing correct...
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    Ryobi ZT480E - No Movement, but blades turn on.

    I'm back and with good news. I was able to get a replacement drive motor for the zero turn directly from ryobitools. It did take about 13 days to get it delivered, but after dropping it in the diagnostic beeps went away. The mower is now fully assembled and runs just fine, besides the smaller...
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    Ryobi ZT480E - No Movement, but blades turn on.

    The first generation of Ryobi Lawn mowers(ZT and RY series) are a lesson in Self Sabotage in regards to Ryobi brand loyalty. Anyone who knows batteries would have never paired the cheap lead acid batteries when it's fully expected DoD is beyond 50% every mow cycle. They threw it out and marked...
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    Ryobi ZT480E - No Movement, but blades turn on.

    Brief update: I cut free the hall effect sensor from the right side motor. I tested per the guide again just to rule out the connectors. I now have an order in to ryobi.partstree for the drive motor, PN 997157001. I could not identify any model number besides what shows in the diagram. Even the...
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    Ryobi ZT480E - No Movement, but blades turn on.

    That is dead on for looks. I feel that I have narrowed it down to my rear right drive motor. I have done the following: Tested left side drive system - functional, but only after rotating the right tire a few times(presumably to give the motor controller some hall sensor feedback to stop...
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    Ryobi ZT480E - No Movement, but blades turn on.

    Luckily I think my transducers are fine. I did snag a part number off the left control arm of TJ563A YP 201218(photo attached) for anyone trying to source one.
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    Ryobi ZT480E - No Movement, but blades turn on.

    The Accelerator or Angle Transducer is located within the control arm assembly. (Photo of Homelite 997144001 Control Arm Assembly, Left) When I contacted PartsTree . com about the accelerator/transducer they responded 'these part numbers don't exist because they are only part of the entire...
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    Ryobi ZT480E - No Movement, but blades turn on.

    I've read as such from the forum posts. It's part of why I got such a good deal. I feel confident I can trace down the problem, though most of my tools are not ryobi.
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    Ryobi ZT480E - No Movement, but blades turn on.

    StarTech, this manual is everything I could ask for. Thank you. I was able to verify it was an issue with the hall effect sensor as it did 8 beeps. I did double check the transducer by swapping the left and right control arms and still managed to get motion on my left wheel. I am planning to get...
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    Ryobi ZT480E - No Movement, but blades turn on.

    Good Afternoon All, I recently picked up a Ryobi ZT480E, the 75AH variant for relatively cheap. Everything appears to work, except for the motion. I've already ruled out the seat sensor as the blades will engage normally, but will not when the connection is removed. What's interesting is the...
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