October 2020 – issue 1
Page
27
of
29
Section 7 - Trouble Shooting
NOTE – HV Batteries:
Please refer to OEM Battery Manuals
NOTE
–
Driving System:
Please check error messages in dash
ZERO EMISSION CITY BUS Owner’s
Manual
NOTE
– For models using an OEM chassis (e.g. Scania / MAN/ Mercedes). Please refer to OEM manuals.
7A – Chassis:
7A.1
Fault
Possible causes
Trouble shooting
Not selecting a
gear
Ensure foot is depressed firmly enough on the
brake pedal before selecting a gear
Reselect neutral and then depress foot brake
firmly before selecting a gear
Foot brake switch has failed
Replace brake switch
Loss of communication in CAN system
Check the connection plugs to shift selector.
Vehicle not starting
Rear power room door not closed firmly
Ensure rear power room door is fully closed and
the door warning light on dash for open rear door
is no longer illuminated
Vehicle is not in N gear.
Select N on shift range selector
Bus isolator switch has not been turned back ON
Turn ON bus isolator switch
Battery is flat.
Check battery voltage on instrument panel.
If battery is flat, please charge or replace.
Loss of power
Possible binding of brakes
Stop driving and position the vehicle on a slope
and release the foot brake to see if the bus rolls
freely and brakes are not dragging. If brakes are
dragging, stop and call a BCI Dealer for guidance
on how to proceed.
Other warning lamp illuminated
Engine has possibly de-rated as a self -
protection measure – Call a BCI or Cummins
Dealer for assistance
Bus will not
accelerate
Entry door not properly closed
Ensure the entry door is fully closed
Bus not building up
air pressure
Delivery pipe from air compressor to air tank has
failed
Replace delivery pipe
Major air leak
Check for major air leaks and rectify
