EWR load (surface) sensor error
â–¶ How to fix
Check the faulty componnent, ECU, cable harness and sensors.
What you'll see
The driver will not be able to operate the electrical wheelchair ramp.
System reaction
EWR functionality is missing or degraded. EWR malfunction warning will be shown in the ICL.
Diagnostic depth
Detection
A trouble with the load sensor of the electric wheelchair ramp has been detected. The signal current is lower than the predefined limit for normal operation or a control signal is absent when the control unit requests it.
Possible cause
- Open circuit due to damaged or broken cables internally in the ramp. - Problems with the component.