interlocks have a secondary locking system which ties in with the pressure switch - the mechanism which detects if there is water present in the drum. its still full of water and wont allow the door to be opened. Try to drain machine by running the outlet pipe into a bucket.
Check the filter unit for blockages.
Disconnect pump from sump hose and check for obstruction in either item.
Pump removal: power off, remove cover, locate pump, undo 2 wiring connections, 2 hose connections, and pump mounting screws.
washerman, March 2008
