PointyUK's latest activity
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.I still haven't got round to finishing this but I have made some small progress. First off, as I am a bit cramped for space, I...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.Signal wire is held high, so I will try between signal and ground.
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.Having decided to replace the controller, display and torque sensor, I finally have all the parts... BMS S06S Controller. KT LCD4...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.I am sure it would, but I have to get this bike up and running as cheaply as I can for the missus. At some point in the future I want...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.So I came up with a novel way to test the battery... I then when for a 5 mile ride, including some steep hills at full power. The...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.So after making the following test cable... It didn't work, although it did appear the motor was trying to go backwards and drawing...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.I would like to try and test the motor today and just want to make sure that I don't do anything stupid. :rolleyes: My other eBike is...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.I can answer my own question about the torque sensor voltage as I can trace it back to the 5v line. Unfortunately I think the...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.Anything with a soft on/off button must be powered all the time. If the MCU is in standby it will only draw a couple of ua anyway.
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.This is what I have come up with for the display schematic... If you spot anything you think is wrong, let me know.
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.No, not yet but I did finally get the whole PCB out of the case... There are some possible signs of water ingress. I am still...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.Yes that was the first thing I checked, there is no connection between battery + and the orange/ display vcc. The transistor could be...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.I have managed to clean up the worst of the silicone from the component side of the controller... The supply to the display is not a...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.The battery charged up to 28.7v but I haven't checked to see what the charger is outputting. As I don't even know if the motor is good...
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PointyUK replied to the thread Giant Twist Express RS2 - No Power.Obviously the goal here is to see if it is cost effective to repair this bike. As the battery seems ok, I guess the absolute worst case...
