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flashing green light near the CH select button new batteries in transmitter

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How do i stop the time from flashing on the Siemens RDJ100RF?

How do i stop the time from flashing on the Siemens RDJ100RF unit

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We have 20 questions about mending 'check air switch' in category Heating, Home Heating Systems which have been answered

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Mend boiler overheating hot

is my boiler overheating?

I have no experience with boiler, I touched the flue duct on the top of the boiler, it's hurt, very very hot... [Read more]

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Potterton Suprima 50 - Pilot won't light?

Lovely flashing red light after three or so attempts by the boiler to re-light the pilot. Reset just restarts ... [Read more]

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How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]

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Viessmann Vitodens 100 30kw combi?

Any help appreciated. boiler comes up with F5 fault .In book states burner blocked, check air pressure switch.... [Read more]

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My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]

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28i junior locking out?

Hi all, I am a GSR engineer and had a look at a worcester 28i junior combi today which keeps locking out (4 fl... [Read more]

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Ferroli Domina 80 problem Tech help needed?

Hi I have a domina 80 combi that wont fire up for either hot water or ch. If you switch HW on the demand light... [Read more]

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Worcester 24CDi Series - Domestic Hot Water demand indictor flashing?

How do I check that the flue terminal has not been obstructed and that the fan and air pressure switch are in ... [Read more]

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baxi combi will not light when tap is running ?

fault light showing fan now and again it fires and i get hot water is it the air pressure switch and can i lin... [Read more]

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How to sort this boiler problem out (majorca 240/6 back boiler/frontfire)?

How to sort this boiler problem out (majorca 240/6 back boiler/frontfire)? I have a majorca 240/6 back boiler... [Read more]

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How can I solve fault code e33/34 on an ariston microgenus? ?

How do I solve the fault codes e33/34 on my ariston microgenus 28kw condensing boiler? I have changed the air ... [Read more]

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Potterton Netaheat Profile 80e?

The boiler will not fire up when heat is called for. The pilot lights up and remains on with the fan working a... [Read more]

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f30 on/ off?

tubes ok venturi ok fan ok flue ok how do i check air pressure switch ok !!!!

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the fan on my johnson & starley j25-32 warm air unit is no longer working?

how can i check that the fan is dead' iam not so sure it is because hteres a fan switch unit and a fan transfo... [Read more]

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Vaillant Turbomax No Water/Warmstart/Heating S.33 Error?

Hi, I have moved into a house with this dreadfull boiler. Hot water has been intermittent i.e takes ages to... [Read more]

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Potterton Puma 80e - low pressure switch - boiler not firing?

I have just changed a low preesure switch on a Potterton Puma 80e. When I recconnect the two cables the boiler... [Read more]

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Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

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Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

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Ferroli Optima 901 -occasional Hot water problem?

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Potterton Profile 80E not lighting?

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How do i stop the time from flashing on the Siemens RDJ100RF?

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Greenstar 24Ri boiler, fast flashing - can I reset?

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Oil fired boiler thermostat?

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Mend Alpha Mend Alpha Heating Mend Apollo Mend Ariston Mend Baxi Mend Bermuda Mend Berry Mend BIASI Mend Bosch Mend Boss Mend Boss Therm Mend Boulter Mend British Gas Mend Britony Mend Brittany Mend Brittony Mend Camray Mend Cannon Mend Canon Mend Celsia Mend Chaffoteaux Mend Chaffoteaux & Maury Mend Concord Mend Crane Mend Danfoss Mend Digistat Mend Dimplex Mend Drayton Mend Ecomax Mend Ferroli Mend Fertech Mend Firebird Mend Flexicom Mend Glow Worm Mend Glow-worm Mend Glowworm Mend Grant Mend Grundfos Mend Halstead Mend Harcal Mend Heatline Mend Heatslave Mend Honeywell Mend Horstmann Mend Hydroline Mend Icon Mend Icos Mend Ideal Mend Isar Mend Jaguar Mend Johnson & Starley Mend Keston Mend Kingfisher Mend Kohlangaz Mend Landis & Gyr Mend Lifestyle Mend Linea Mend Main Mend Medway Mend Modena Mend Morco Mend Myson Mend Netaheat Mend Ocean Mend Optima Mend Potterton Mend Powermax Mend Prima Mend Promax Mend Protherm Mend Pulsacoil Mend Puma Mend Randall Mend Ravenheat Mend Remeha Mend Riello Mend Sabre Mend Saunier Duval Mend Servowarm Mend Siemens Mend Sime Mend Stelrad Mend Swift Flow Mend Switchmaster Mend Thorn Mend Thorn EMI Mend Tiger Mend Trianco Mend Vaillant Mend Valiant Mend Viessmann Mend Vizo Mend Vokera Mend Vulcan Mend Worcester Mend Worcester Bosch

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