Otis · 400 Elevator
Indicates that the DMC is reporting a port door error. This usually means the delivery port door is not opening or closing correctly, which can prevent product dispensing and may cause jams.
Click steps to track your progress.
Check to make sure the delivery port door is not sticking in a closed position.
Clean delivery port door slides or replace the port door.
Check to make sure that the connector to the delivery door switch is connected.
Reconnect the connector to the switch.
Check the delivery door switch and replace if defective.
Check the Delivery Door Power/Signal harness and the Port/Delivery Door harness for damage and replace any found to be defective.