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Plumberpro, Home Appliance Technician
Category: Appliance
Satisfied Customers: 634
Experience:  Heating and hot water heating appliances experienced
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I have a vaillant ecotec pro 24 boiler and I keep getting a

Customer Question

I have a vaillant ecotec pro 24 boiler and I keep getting a egg timer symbol coming up and error code f75 coming up also have s04 code. Can someone help
Submitted: 2 years ago.
Category: Appliance
Expert:  Plumberpro replied 2 years ago.
Hi ,either the pump is faulty or the pressure sensor. Check the pump is running by opening the bleed screw on the pump face and inserting a screwdriver lighly to check the impeller is spinning. If the pump is spinning replace the pressure sensor