Help! Gepida Berig ebike 9yrs old

hugh burden

Pedelecer
Nov 28, 2013
26
4
West London
Has anybody had experience of removing the controller from inside the central motor casing of a 9yr old model of Gepida Berig?
New battery, showing 29.2V, is showing 4 red lights ie full strength for 1 second & then reverts to lowest strength number one flashing hence power assist not kicking in.
 

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hugh burden

Pedelecer
Nov 28, 2013
26
4
West London
Has anybody had experience of removing the controller from inside the central motor casing of a 9yr old model of Gepida Berig?
New battery, showing 29.2V, is showing 4 red lights ie full strength for 1 second & then reverts to lowest strength number one flashing hence power assist not kicking in.
Controller removed from crank motor. 29V enters controller 0V comes out. On/off head (handlebar) switch now not lighting up & has 8 multicoloured wires. Anyone know which 2 colours are the power on/off?
 

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