Proline ST45 Microwave Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Proline ST45 Microwave This topic has 1 reply, 2 voices, and was last updated 20 years, 6 months ago by razor. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 4, 2005 at 12:46 pm #12350 razorParticipant Got few of these models – Proline ST45 all of which don’t heat anyone tell me what usually causes no heating on a Microwave any help would be great. Thanks all 🙂 October 4, 2005 at 3:12 pm #149293 adminKeymaster Re: Proline ST45 Microwave hi normally the diode but if your not compident on microwaves leave well alone as your working with HIGH voltage. bryan 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