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  1. K

    New "TSDZ2 Torque Sensor Central Motor"

    Would changing the controller in the motor to 48v be an option? - Thanks again-
  2. K

    New "TSDZ2 Torque Sensor Central Motor"

    So it seems the battery voltage is creating the problem - I have measured the fully charged battery at 54v - I have the same battery from another bike ( same build ) measured at 47v - using the battery with lower voltage both bikes function OK - with the higher voltage battery one bike ( the...
  3. K

    New "TSDZ2 Torque Sensor Central Motor"

    So - test so far Display switch on / off - motor functions OK Battery switch on / off - motor functions OK Battery remove from holder then refit - motor functions OK Battery remove / recharge / refit - motor functions NOK - same failure as described in start of this post . Does replacing the...
  4. K

    New "TSDZ2 Torque Sensor Central Motor"

    Thanks bergerandfries - going through the on/off testing as you suggest , in the meantime I have contacted PS POWER and asked for a replacement controller - which they have agreed to if I pay the shipping cost , however, I bought the system as advertised as 36v and 500W - the controllers they...
  5. K

    New "TSDZ2 Torque Sensor Central Motor"

    Yep switched displays as you describe - I did actually leave the battery on overnight after the first episode and the bike functioned OK - This time the bike was left with the battery on but for 3 days and was not OK - Does that support your thinking here ?- I will try over the next few days...
  6. K

    New "TSDZ2 Torque Sensor Central Motor"

    First an apology if this question is in the wrong place - this is my first post on ANY site and I hope you will treat me gently... I have built 2 bikes with TONGSHENG mid motor kits from PS Power - built in September and used with no issues a few times - however now my wife’s bike is not “...
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