Basis hunter

Blondred

Finding my (electric) wheels
Jan 15, 2025
6
0
Hey guys , I purchased a basis Hunter September last year and it’s been nothing but problems with the brakes from the start, I know the bike is pretty heavy but replacing brake pads once a week to me is just daft , contacted ebikes direct and although they were very polite wanted me to send in pads like that might be a way to diagnose the problem, anyway I got maguras put on the back and a disc brake on front , as I’d seen this be able to be done with elec still working, long story short , elec now doesn’t want to work , wondering if anyone has experience if how to get this thing working again before it goes in the bin , tia
 

egroover

Esteemed Pedelecer
Aug 12, 2016
1,057
638
57
UK
You most likely would of had cut off sensors/connections on the previous brake levers. I don't know how or if you still have them connected.
Vbrakes are not ideal on ebikes, so you've made a worthwhile upgrade, you should be able to disconnect the previous cut off connectors at the controller to get the bike working again
 

saneagle

Esteemed Pedelecer
Oct 10, 2010
7,315
3,380
Telford
Hey guys , I purchased a basis Hunter September last year and it’s been nothing but problems with the brakes from the start, I know the bike is pretty heavy but replacing brake pads once a week to me is just daft , contacted ebikes direct and although they were very polite wanted me to send in pads like that might be a way to diagnose the problem, anyway I got maguras put on the back and a disc brake on front , as I’d seen this be able to be done with elec still working, long story short , elec now doesn’t want to work , wondering if anyone has experience if how to get this thing working again before it goes in the bin , tia
I'm going to guess that you cut the brake wires instead of disconnecting them. If that's not it, you need to give more details of what you actually did with them. Whatever you did, disconnecting them should fix it.
 

Blondred

Finding my (electric) wheels
Jan 15, 2025
6
0
I'm going to guess that you cut the brake wires instead of disconnecting them. If that's not it, you need to give more details of what you actually did with them. Whatever you did, disconnecting them should fix it.
Hi thanks for your reply - the bike shop removed the plugs and I did test the bike with the plugs removed before changing the brakes.
There was a strange alternate flashing on the controller between the two lines of leds before it switched off and after that the controller won’t won’t even switch on

I hope that makes sense
 

Blondred

Finding my (electric) wheels
Jan 15, 2025
6
0
You most likely would of had cut off sensors/connections on the previous brake levers. I don't know how or if you still have them connected.
Vbrakes are not ideal on ebikes, so you've made a worthwhile upgrade, you should be able to disconnect the previous cut off connectors at the controller to get the bike working again
You most likely would of had cut off sensors/connections on the previous brake levers. I don't know how or if you still have them connected.
Vbrakes are not ideal on ebikes, so you've made a worthwhile upgrade, you should be able to disconnect the previous cut off connectors at the controller to get the bike working again
Thanks for then response, the connectors weren’t cut but disconnected, I’m not too well up on this stuff but there was an error on the led display if you can call it that before it totally gave up the ghost , not sure what do do now going forward lol
 

thelarkbox

Esteemed Pedelecer
Aug 23, 2023
1,314
406
oxon
next step would be to check your controller system is pushing out the 5v for sensors and the headset/display unit. the brake sensor sockets if 3x wire/connections would be an ideal place to probe and check.


An often overlooked issue can be the matting/sitting of the battery, with age and knocks plastic can deform and the battery may need a shim or 2 to position it correctly for a good connection?
 

thelarkbox

Esteemed Pedelecer
Aug 23, 2023
1,314
406
oxon
Sewing pins/needles make ideal probes for the tiny ports in julet/waterproof connectors, don't be temtped to force larger pins/wires in..
 
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saneagle

Esteemed Pedelecer
Oct 10, 2010
7,315
3,380
Telford
Thanks for then response, the connectors weren’t cut but disconnected, I’m not too well up on this stuff but there was an error on the led display if you can call it that before it totally gave up the ghost , not sure what do do now going forward lol
The flashing sequence indicates the error.
 

Blondred

Finding my (electric) wheels
Jan 15, 2025
6
0
Sewing pins/needles make ideal probes for the tiny ports in julet/waterproof connectors, don't be temtped to force larger pins/wires in..
That’s a good starting point. And I really can’t say how helpful this ❤ I really don’t know anything about bikes but I want this back up and running!
The controller is very basic and there is only a plug similar to the brakes connected to it and there is no other device for operating it. Is there an other part that should be accessible. I really can’t see anything apart from the battery
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
21,071
8,611
61
West Sx RH
If the display doesn't switch on, then the likely clue is no power is reaching it .
Check battery charge /charge output with a meter and determine the SOC.

Always start with the obvious , all displays need power in put.
 
Last edited:
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thelarkbox

Esteemed Pedelecer
Aug 23, 2023
1,314
406
oxon
Google for an online manual for your bike that details error codes, use the keyword ".pdf" in the search string and any relevant results will return a page count so you can bypass overlook the 2-3page intro docs and focus on longer detailed in depth manual options if available.

Post pics of your controller and its connections if your unsure how to test, a bog standard multi meter is a must for ebike diagnosis and battery voltage checks.. £10 should get you a fairly good basic model. I have a couple of el-cheapo aneng brand meters that work a treat with nice big clear displays.
 

Blondred

Finding my (electric) wheels
Jan 15, 2025
6
0
Google for an online manual for your bike that details error codes, use the keyword ".pdf" in the search string and any relevant results will return a page count so you can bypass overlook the 2-3page intro docs and focus on longer detailed in depth manual options if available.

Post pics of your controller and its connections if your unsure how to test, a bog standard multi meter is a must for ebike diagnosis and battery voltage checks.. £10 should get you a fairly good basic model. I have a couple of el-cheapo aneng brand meters that work a treat with nice big clear displays.
Thanks very much , I’ll try to get some later
 

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