Have this issue a few times, generally caused by not scraping food off plates or by labels on jars/tins.
If you haven't done this before it might be a good idea to dig out your user manual
So check each of the following:
1. filter at the base of the machine, remove and clean
2. remove each of the rotating arms, there may be up to three and check for blockages, flush with hot water
3. back to the filter again and undo the clip covering the valve to the pump (you might need to check your manual here), check and remove anything that might be blocking it.
4. pull the machine out from its slot and visually check around the motor, there may be something blocking it.
5. Check the inlet/outlet pipes while you have the machine out (more for preventative maintenance than anything else).
If you are still getting the inlet/outlet light then its time to call in the professionals.