zanussi 911516190/05-zdf26011wa

[eng14]

hi put new heater on the end of this wash pump one month ago.i thought things were bad its gone again no heat.ideas 😕 richard

[Seamy]

Re: zanussi 911516190/05-zdf26011wa

First check filters are clean, scum off plastic from tablet covers that should dissolve but won’t on low temp’/short programmes can cause problems with flow rate, if poor water flow through heater it goes open circuit on t.o.c’s .
Same story with circulation pump, also pressure sensor causes same problem, if appliance doesn’t fill to correct level or no water pressure from circ’ pump, the heater goes open circuit via t.o.c’s mounted on heater.
All heaters i’ve changed (dozens of them) have gone open circuit on t.o.c’s rather than open circuit element, proving that its lack of water rather than heater failure.

[Author]

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