Re: indesit widl126 washer dryer .
First things first, throw away the eco ball, waste of time & elimates one potential problem.
Then tip the machine back at an angle and remove the filter. Set it to drain and check if the pump implellor turns. If it does, the pump is fine. If not, first check you haven’t knocked the wires loose when accessing the sump (there isn’t always much slack on these machines), then remove pump and check it turns freely. If not, replace the pump.