Zanussi Dishwasher ZDT 420 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Zanussi Dishwasher ZDT 420 This topic has 0 replies, 1 voice, and was last updated 7 years, 2 months ago by Jantech. Viewing 1 post (of 1 total) Author Posts January 25, 2019 at 1:28 pm #95376 JantechParticipant Afternoon all, Been out the above dishwasher which isn’t heating, flow through heater was blown so have changed and the machine doesn’t heat, module looks ok (no dry joints or burns) could anyone suggest anything I have missed? Many thanks Jim Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In