pedelec failure

[derf]

dear all, I have a Woosh Santana and on the way back from work today the pedelecs function stopped working (first intermittently, then completely). The throttle works, the battery is fully charged, the King meter displays as normal, all wires are connected. It happened on level terrain as I was toddling along at 15. is there something obvious that might simply fix this on a TCM crank drive? I switched it off and on (both at the display and on the switch on the battery) several times - with no effect (still doesn't work). all wires are connected, everything is dead normal otherwise (it had just done a very normal ten miles before this happened with no heat or anything). Your help is most appreciated (if by miracle it is functional before work tomorrow morning it would be great..)

 

[pdarnett]

You haven't had any water ingress?

 

[trex]

there is an LED on the PAS sensor on the non drive side.
It should blink when you pedal.
Check that the PAS cable is not pulled from the sensor.

 

[derf]

there is an LED on the PAS sensor on the non drive side.
It should blink when you pedal.
Check that the PAS cable is not pulled from the sensor.

many thanks Trex, I just noticed it blinking (for the first time, must have not looked before) - it blinks regularly (this I take means it functions?). thanks pdarnet - there is no water ingress (before the battery was difficult to remove and I have applied a little grease to the areas it connects a few weeks ago which would have prevented this even if it became wet)

 

[trex]

if it blinks when you rotate the cranks then the sensor and the PAS disc are working.

 

[derf]

if it blinks when you rotate the cranks then the sensor and the PAS disc are working.

with the throttle working (I've just double checked all the cables which are totally fine) I guess that means it must be a controller problem? I suspect it is beyond my DIY then, thanks for the advice.

 

[neptune]

Follow the wires from the pedelec sensor to the controller . Check the security of any plugs and sockets on that cable, and
if accessable, check that there are no wires pulled off where the cable connects to the controller.

 

[derf]

Follow the wires from the pedelec sensor to the controller . Check the security of any plugs and sockets on that cable, and
if accessable, check that there are no wires pulled off where the cable connects to the controller.

I double checked all, i'm afraid the hardware all seems fine, i'm too much of a ninny to begin to separate wires and switches to see what's inside or whether the connections are good (doing so would probably also invalidate the warranty). I have a hunch its a controller problem (I wish there was a reset switch somewhere like on a pc..)

 

[derf]

I double checked all, i'm afraid the hardware all seems fine, i'm too much of a ninny to begin to separate wires and switches to see what's inside or whether the connections are good (doing so would probably also invalidate the warranty). I have a hunch its a controller problem (I wish there was a reset switch somewhere like on a pc..)

dear all, an update and two completely newbie questions (my apologies). Woosh has been very supportive and suggested that I check the "plug that goes into the sensor" and (if that doesn't help) that I "replace the controller"(with the understanding I gather that they will provide a new one). Am I right in assuming the "plug that goes into the sensor" on a TCM crank drive is the little plug very close to the blinking LED on the crank itself? And am I right in assuming that the controller is the King meter/display? many thanks..

 

[derf]

dear all, an update and two completely newbie questions (my apologies). Woosh has been very supportive and suggested that I check the "plug that goes into the sensor" and (if that doesn't help) that I "replace the controller"(with the understanding I gather that they will provide a new one). Am I right in assuming the "plug that goes into the sensor" on a TCM crank drive is the little plug very close to the blinking LED on the crank itself? And am I right in assuming that the controller is the King meter/display? many thanks..

dear all, further update, I just got an email with detailed instructions and pics from Andy at Woosh - the controller is a silver box inside the black box the battery plugs into. all is becoming clear (and it sounds entirely fixable), I also feel a lot more knowledgeable about pedelecs...

 

[Kinninvie]

The upside of having problems is it increases knowledge.
My dillenger pedelec failed a couple of weeks ago and I am waiting for a new sensor, like you I cant just pull it to pieces because of the warranty.

 

[derf]

The upside of having problems is it increases knowledge.
My dillenger pedelec failed a couple of weeks ago and I am waiting for a new sensor, like you I cant just pull it to pieces because of the warranty.

good luck with the dillenger - on this occasion it ended happy (i opened the box, removed the controller, reconnected a loose connection and all's fine again), Chinese pedelecs may not be the last word in quality, but their thankfully simple

 

[trex]

I never understand why they don't put a heat shrink sleeve over the connectors in the controller box. This type of incidents would have been avoided altogether.

 

[derf]

I never understand why they don't put a heat shrink sleeve over the connectors in the controller box. This type of incidents would have been avoided altogether.

yes, that would have been an easy permanent fix (worth bearing in mind next time i open it with the potholes and vibration it must take), chinese pedelecs seem slapped together with happy indifference, but all's forgiven again now that it works