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Plumberpro
Plumberpro, Home Appliance Technician
Category: Appliance
Satisfied Customers: 634
Experience:  Heating and hot water heating appliances experienced
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My glow-worm boiler has a F9 sign on it. I have tried to reset

Customer Question

My glow-worm boiler has a F9 sign on it. I have tried to reset it, but, after pressing the reset button, it shows Bar07 and then it does nothing. Please help?
Submitted: 1 year ago.
Category: Appliance
Customer: replied 1 year ago.
(Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Plumberpro replied 1 year ago.
Hi , you may need to increase the pressure to around 1.2 bar