hpt wf540 error code Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › hpt wf540 error code This topic has 2 replies, 2 voices, and was last updated 13 years, 4 months ago by JENKS. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts November 19, 2012 at 6:35 pm #72607 JENKSParticipant hi all,can someone please verify for me that the wash enhance light flashing on above machine is heater relay,many thanks November 19, 2012 at 7:06 pm #385037 iadomModerator Re: hpt wf540 error code That’s what it says in the error codes thread. Can be pcb, wiring, pressure switch, heater insulation, an R in the month, the wind has changed, don’t rule anything out. :rolls: November 19, 2012 at 7:12 pm #385038 JENKSParticipant Re: hpt wf540 error code thanks jim,dont we just love quality built electrics Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In