Diplomat/whirlpool ADP8500 854500115740 Home › Forums › Trade Technical & Spare Parts Forums › Trade Technical Enquiries › Diplomat/whirlpool ADP8500 854500115740 This topic has 4 replies, 3 voices, and was last updated 15 years, 1 month ago by geoff1. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts March 1, 2011 at 9:04 pm #61401 geoff1Participant Hi Have seen a couple of threads on this appliance where the pump, drain pump and display lights pulse. i now have one and need some help to get to the bottem of the problem. The flow meter is working and the pressure unit has been cleaned but it will still pulse for about 40 times stop then repeat. If I get the programme to start again the drain pump will run as normal. please anyone??? Geoff March 2, 2011 at 7:39 pm #345979 geoff1Participant Re: Diplomat/whirlpool ADP8500 854500115740 Any one????? Geoff March 2, 2011 at 9:17 pm #345980 martinmParticipant Re: Diplomat/whirlpool ADP8500 854500115740 id say its the pressure switch in base even though it meters ok try changing it anyway http://shop.ukwhitegoods.co.uk/Dishwash … witch.html March 4, 2011 at 9:54 pm #345981 bmrenrParticipant Re: Diplomat/whirlpool ADP8500 854500115740 Hi I had this pulsing prob on a w/p d/w and changed the rectangular capacitor on the module and this sorted it. Tom. March 10, 2011 at 4:44 pm #345982 geoff1Participant Re: Diplomat/whirlpool ADP8500 854500115740 Just to end this one. Changed cap as suggested and off she went – thank you Tom 😀 Geoff Author Posts Viewing 5 posts - 1 through 5 (of 5 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In