While you wait for answers, we may have found some information which could help you.
Click here for Lock Flashing MeanWhich way up is the upper spray arm - with holes uppermost o?
K8D45517?
Hotpoint Aquarius FDW20 diswasher?
Simpson Silencio 850 Dishwasher?
Hotpoint Start/Pause button flashing?
Clear E1 error code on smeg dishwasher with no water or leak?