whirlpool AZB9780 dryer Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › whirlpool AZB9780 dryer This topic has 1 reply, 2 voices, and was last updated 11 years, 4 months ago by suedehead1. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts December 3, 2014 at 8:01 am #83265 suedehead1Participant hi the dryer was showing F02 I reset the thermostat on top of the element then cleared the fault code it seemed to work ok, now its showing F04 when i clear the fault code it turned and heated but customer has phoned to say its showing F04 again., Anyone know what F04 means. December 3, 2014 at 8:45 am #422289 stourbridgearParticipant Re: whirlpool AZB9780 dryer Open circuit thermostat, heater or faulty relays on the board? 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