Errors In Assistance Function - Bosch i:SY E5 ZR F CX Translation Of Original Operating Instructions

9.2.2

Errors in assistance function

Symptom Cause
Assistance is not Is the battery charged sufficiently?
available.
Is the system switched on?
Is the level of assistance set to [OFF]? 1
The rechargeable battery, on-board
computer or assistance switch may be
connected incorrectly, or one or more
of them may have a problem.
Are the pedals being pushed?
Is the speed too high?
Is the lock function activated?
The battery may become too hot
during rides at high temperatures, up
long inclines or when carrying a heavy
load for a long time.
The assisted journey Is the battery fully charged?
distance is too short.
The battery does not perform as well in
winter weather.
The journey distance can be shorter
depending on the road conditions, the
gear level and the entire light usage
time.
The battery is a consumable.
Repeated charging and long periods of
use cause the battery to degrade (loss
of power).
It is difficult to pedal. Are the tyres pumped to an adequate
pressure?
Is the level of assistance set to [OFF]? 1
Is the battery fully charged?
Have you switched on the system with
your foot on the pedal?
Table 44: Error solution for assistance system
MY23I0a - 42_1.0_22.01.2024
Troubleshooting, fault clearance and repair
Remedy
1 Check battery is charged.
2
Recharge the battery if it is almost flat.
 Press On-Off button (battery).
 The drive system starts.
Set the assistance mode to a different level of assistance than
[OFF].
2 Contact your specialist dealer if you still feel that the no
assistance is being supplied.
 Contact specialist dealer.
The pedelec is not a motorbike.
 Push the pedals.
The electronic gear assistance is only active up to a maximum
speed of 25 km/h.
 Check on-board computer indicators.
 Use suitable on-board computer.
1 Switch off the drive system.
2 Leave pedelec to cool down.
3 Start the drive system.
1 Check charge level.
2 Recharge the battery if it is almost flat.
This does not indicate a problem.
This does not indicate a problem.
If the distance covered with a fully charged battery has become
shorter, the battery may be affected.
 Replace old battery with new one.
1 Pump up tyres.
Set level of assistance to [HIGH], [STD], [ECO] or [AUTO].
2 Contact your specialist dealer if the pedals are still stiff.
1 Check charge level.
2 Recharge the battery if it is almost flat.
1 Switch system on again without applying pressure to the
pedal.
2 Contact your specialist dealer if the pedals are still stiff.
246