There ae generally two thermostatic devices fitted to this dishwasher.
1) resetable 2) non resetable.
If you have changed the heater and it still doesnt work check both of the devices. Both of these control the heater 1) is designed temporarily turn off the heater whilst the other blows...
No just rinse &salt but the machine was idle for months, mice chewed through outlet pipe and mc kept tripping earth trip. I will let it keep filling and pumping out thanks
I have a fdw60 dishwasher which is showing eco (3) & prewash (5) lights flashing. The manual says look for blocked filters but these are clear. have tested washer pump and this is ok any help gratefully received TA