Re: sgs3042gb/03 Dishwasher wont fill up properly
If it completes the cycle then it must be filling and rinsing ie inlet valve working.
You need to remove the lid and side panel and check the water matrix,pressure chamber and transfer hose to sump.
Likley something is gunged up….
checkout the diagrams here
http://www.bosch-home.co.uk/store/spare … S3042GB/03
Please unplug the appliance if you decide to proceed-alternatively get an engineer to call by..