Hotpoint FFP187B thermal cutout faulty? Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Hotpoint FFP187B thermal cutout faulty? This topic has 0 replies, 1 voice, and was last updated 14 years, 6 months ago by Simon46. Viewing 1 post (of 1 total) Author Posts October 11, 2011 at 8:10 am #65571 Simon46Participant This one freezing up. Checked readings with evap frozen can get continuity across grey and blue wires but red and black o/c. Warmed cutout with hairdryer no change. What readings should I get across this 4 wire device. Heater ok. S. 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