EWR out of range power supply to sensors
â–¶ How to fix
Check the faulty sensors, EWR control unitcable harness and connectors.
What you'll see
The driver will not be able to operate the electrical wheelchair ramp.
System reaction
EWR functionality missing or degraded. Error will be shown for EWR in ICL.
Diagnostic depth
Detection
A voltage above or below the normal level has been detected at the output for the power supply to sensors on the control unit for the electrical wheelchair ramp.
Possible cause
- Short circuit due to damaged or broken cables internally in the ramp. - Open circuit due to damaged or broken cables internally in the ramp. - Problems with the components. - Problems with the control unit for the electrical wheelchair ramp.