{"product_id":"ferroli-combi-77ff-77cf-100ff-pcb-vmf-6-6-1-39802541","title":"Ferroli Combi 77Ff\/77Cf\/100Ff PCB Vmf 6\/6.1 39802540","description":"\u003ch1\u003e\u003cspan\u003eFerroli Combi 77FF 77CF 100FF Boiler PCB VMF 6\/6.1 39802540\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFerroli Boiler Printed Circuit Board (PCB) VMF 6\/6.1 (Part Number: 39802540)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a replacement electronic control component associated with selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFerroli\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e heating systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe PCB forms part of the boiler's electronic control system, supporting the management of electrical signals and the operation of connected boiler components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe board works alongside the appliance's sensors, switches and other electrical components to support the boiler's normal operating sequence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eℹ️ Product Condition Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis part may be available in \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eNew\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eRefurbished\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e condition. Please select your desired option from the dropdown menu above. Refurbished parts should be professionally tested to confirm correct operation before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Printed Circuit Board forms part of the boiler's electronic control system. It processes electrical signals from connected components and supports the control of appliance operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA suspected PCB fault requires professional diagnosis, as similar symptoms may result from wiring, sensors, electrical connections or other boiler components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePossible symptoms that may indicate a PCB or associated electrical system problem include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoiler failing to start or operate correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent boiler operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoiler failing to respond to heating or hot water demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUnexpected boiler shutdowns or lockouts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBoiler controls failing to respond correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIgnition sequence failing to complete.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eElectrical or control-related faults.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty PCB\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar problems may be caused by electrical connections, sensors, switches, ignition components or other parts of the boiler. Correct professional diagnosis should be carried out before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis part (MPN: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e39802540\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e) is associated with selected \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFerroli Combi 77FF, 77CF and 100FF\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e boiler systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease verify the exact boiler model, original part number and PCB version against the manufacturer's technical documentation before ordering to ensure correct fitment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler PCBs and associated electrical control components should only be diagnosed, removed or installed by a \u003c\/span\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan\u003esuitably qualified and competent heating engineer\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance's electrical supply before carrying out any work and follow the manufacturer's installation and servicing instructions. Where work is carried out on a gas appliance, all appropriate electrical, operational and safety checks must be completed before the boiler is returned to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"FERROLI","offers":[{"title":"New \/ New Other","offer_id":50443694800999,"sku":"N9579","price":95.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/Honeywell.png?v=1791899133","url":"https:\/\/nationalboilerspares.co.uk\/products\/ferroli-combi-77ff-77cf-100ff-pcb-vmf-6-6-1-39802541","provider":"National Boiler Spares","version":"1.0","type":"link"}