Indesit DI620 1 & 3 Flashing Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Indesit DI620 1 & 3 Flashing This topic has 1 reply, 2 voices, and was last updated 16 years, 6 months ago by monkey. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 6, 2009 at 7:35 pm #49137 monkeyParticipant Hi Guys I fitted a new wash pump to this machine today, the old one had got water into it and was sparking. The problem I get now is that it fills with water then it bleeps and 1&3 lights are flashing, I have checked new pump for continuity. October 6, 2009 at 7:51 pm #298851 Penguin45Participant Re: Indesit DI620 1 & 3 Flashing Filter block error – usually high pressure p/sw failed or gunged. Chris. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In