EWR load (surface) sensor active long
â–¶ How to fix
Check the faulty sensor, cable harness and connectors.
What you'll see
Can't retract the ramp,
System reaction
EWR malfunction warning will be shown in the ICL. EWR LED blink continually. EWR Warning buzzer alert continually. EWR functionality is missing or degraded.
Diagnostic depth
Detection
The signal from the load sensor for the electric wheelchair ramp has been active for more than 60 seconds. This information is sent from the ramp to the MBS.
Possible cause
- Cargo/passenger(s) standing still on the wheelchair ramp. - Mechanical fault, something squeezing the surface of the ramp top side. - Short circuit due to damaged or broken cables internally in the ramp. - Problems with the component. - Sensor defect