Ariston LSI61 “R” flashes

[Seamy]

Been to look at an Ariston LSI61 UK/1 dishwasher, it was full of water & “R” was flashing, (third LED from left of 4) my fault code list pointed to pump failure so I applied the cable-tie method & eureka it emptied. Now customer a week later has reported that when it fills, it washes for a while but just as dispenser opens it stops & same LED is lit, he says it empties fine when its supposed to & he says it sems to start heating to.
I thought it would point to heating or thermistor failure but its the wrong fault code for that isn’t it?

Any ideas?

Ariston LSI 61 & Indesit DI 61 Series Dishwashers

Reading the programme lights (left to right)

Heavy Wash Light flashes rapidly = Flood protection system tripped
Normal Wash ” ” ” = Heater/Thermistor/Tstat fault
Rapid Wash ” ” ” = Pump fault/ Blockage
Soak Wash ” ” ” = Time out filling to level

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