Tom Posted November 11, 2015 Share Posted November 11, 2015 On 11/10/2015, 1:21:47, andrewk said: Took some pics of the wheel, last pic is a still from a video I made when I was replacing the speaker so quality is kinda shabby. Ah that makes sense thanks, looks like the 80 quid battery might be a winner. I guess if the problem persisted I could then try replace the charger, ho harm in having a new battery either way! Yeah yours is the same case as mine so should be fine doing a battery hot swap mod. Check out my post in the mods forum to see what i did Link to comment Share on other sites More sharing options...
andrewk Posted November 11, 2015 Author Share Posted November 11, 2015 Thanks @Tom, will check it out. I made another video yesterday of the power LEDs whilst going up a slope. They are making me feel anxious, like the unit could be about to cut off any moment. I don't think it's some sort of error code although I could be wrong, the instruction book I got with this generic device certainly doesn't say anything. What do you guys make of this ? Apologies for video quality - had to compress to upload it properly Video.MOV Link to comment Share on other sites More sharing options...
andrewk Posted November 13, 2015 Author Share Posted November 13, 2015 Any thoughts on this? Ordered a new battery - I'm hoping that will fix it. Link to comment Share on other sites More sharing options...
SlowMo Posted November 13, 2015 Share Posted November 13, 2015 1 hour ago, andrewk said: Any thoughts on this? Ordered a new battery - I'm hoping that will fix it. I haven't seen anything like that. It might be the BMS and if it is so, then the new battery pack would solve the problem. Our experts may have some experience with this issue. Link to comment Share on other sites More sharing options...
andress Posted November 13, 2015 Share Posted November 13, 2015 Correct me if I am wrong but there is no communication between the battery BMS and the control board. So if it rides alright and the only change is the LEDs then I guess the problem is in the control board. But you will see once you get the new battery. Link to comment Share on other sites More sharing options...
Citi Wheel Posted November 13, 2015 Share Posted November 13, 2015 On 11/8/2015, 1:46:09, andrewk said: Hi Everyone, Stumbled across this wonderful forum tonight whilst googling my Generic EUC's unexpected shutdowns and it seems pretty awesome (the forum that it, not the unexpected shutdowns). I purchased an Airwheel clone from AliExpress, a "Hot style 9th X3 generation 20KM 350W" for pretty cheap (~£160) and fell in love with it. I've been using it every day for about 4 months and these devices can take a serious beating! However over the last 2 weeks I have experienced 2 unexpected shutdowns which resulted in a pretty terrifying faceplant/forward role both times and a huge dent to my pride! Fortunately didn't get too hurt, just a sore elbow and minor cuts/bruises, during the first time though, I was holding my phone in my hand and smashed it on the floor as I went flying. Fortunately I had one of those tempered glass screen protectors and only that cracked, the actual phone survived! The first time I was going up a pretty big hill and the low battery warning beeping / backwards pedal tilt started to come into effect however before I could safely dismount it completely shutdown and over I went, was like someone pulling a rug from under my feet. Usually the slow down feature gradually and safely forces you to dismount the wheel but I barely had a second or two warning this time. On this occasion the device completely died, wouldn't turn back on til' I plugged it back into the charger. After this I lost confidence in the device after realizing how badly I could have been hurt, traveled back home at basically walking speed just in case! The second time was on Wednesday, after convincing myself it was a one off and rebuilding my confidence, I was going pretty slow on a slight hill and the device instantly cut off, this time there was no warning. No beeps or pedal tilt, the device just shut off and again sent me flying. Afterwards the device would turn back on (not that I had the guts to get back on) but it was kind of weird as all the LED's were off which I haven't seen before. On both occasions the device had only been used for about 10-15 mins from a full charge. I have since decided to retire the my EUC as i feel it has become too dangerous. After reading this forum tonight I have seen this a common a fault in a lot of the early wheels which sucks! I have read the thread on shunting which sounds like it might be a solution although a technically risky one according to some posts? I was wondering if anyone could help me understand, does shunting help prevent the 2 causes of unexpected shutdowns? I have seen that the KingSong wheel is being hailed as potentially the safest wheel yet, and has an impressive speed and range. I am considering purchasing one, does anyone have any good/bad experiences with them? I have read all the reviews I can find, but would like to hear more as I feel the reviews available are a little limited. Also I'm based in the UK, not sure if there are any resellers based here? Or does anyone recommend a different 14" EUC all together? It's very important to me that the wheel does not suffer from any unexpected shutdowns. I have been looking at some of the IPS ones too, but it sounds like KingSong ones are better? Any advice would be awesome, thanks for reading! Andrew I've never ridden a kingsong 14" so I won't have any input there. However, I just starting riding the IPS zero, and I really liked it. It's got great range and nice top speed. It's also very light/compact and also looks pretty cool. Link to comment Share on other sites More sharing options...
andrewk Posted November 14, 2015 Author Share Posted November 14, 2015 On 11/13/2015, 8:09:25, logos122 said: I've never ridden a kingsong 14" so I won't have any input there. However, I just starting riding the IPS zero, and I really liked it. It's got great range and nice top speed. It's also very light/compact and also looks pretty cool. Yea I've looked at some of the IPS models and they looked pretty good. Link to comment Share on other sites More sharing options...
Jason McNeil Posted November 15, 2015 Share Posted November 15, 2015 The Zero is about half the power of the KS14" 800W. When I assessed it in Shanghai last month, they were the first Wheels to come off the assembly line, it was good, but had some small issues that needed improvement. Link to comment Share on other sites More sharing options...
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