Philips Series 2200 priming failure

[espressotech]

Mechanikkenntnisse vorhanden

coffee machine technician

Messgerät vorhanden

multimeter

Genaue Bezeichnung der Maschine

3242

Alter der Maschine

4

Garantie vorhanden

Nein

i get sign to purge water circuit but water comes out and after short time pump slow down so machine stays without priming
when i checked pump outside it is good and when i checked voltage to pump it start 230 but after a while goes down to 144 that not allowing pump function properly
machine motherboard 421941311941 /04
what part of mother board should be checked replaced?

 

[espressotech]

someone recognize where is the problem?

 

[LevyP]

First try to change the water flow sensor

 

[espressotech]

First try to change the water flow sensor

Does the water sensor control voltage to pump?

 

[uhrmacher]

yes

 

[espressotech]

First try to change the water flow sensor

you are right that was the problem replaced and fixed thank you