Miele PT7136 commercial Dryer F66 Home › Forums › Trade Technical & Spare Parts Forums › Miele PT7136 commercial Dryer F66 This topic has 1 reply, 2 voices, and was last updated 2 years, 8 months ago by hotpointer. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 31, 2023 at 4:18 pm #102142 hotpointerParticipant Hello , The dryer throws up F66 Check airways ….. all the airways are clear plenty of air coming out vent……….Manual says F66 is the NTC reporting a large rise in temp as if airways are blocked. i Have replaced the heater NTC still the same fault. Thanks in Advance July 31, 2023 at 7:04 pm #487706 electrofixModerator check the door seal Dave 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