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Fix Fault Bosch

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We have 781 questions about fixing 'bosch' in category Heating, Home Heating Systems

Filling/pressure issue - Bosch Worcester CDI 28?

I have just seen that the pressure gauge is down at 0 and have attempted to fill it up in the correct recommended manner, three times. When the grey knob is turned you hear the water flow for about 3 ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

What part do i need?

My boiler is a Worcester bosch 240 Combi. The CH, when switched on works fine. When i turn on the hot water taps they get hot-ish eventually, but the CH also comes on. What i do know is, that the dive ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Problems with Worcester Bosch Greenstar Ri?

Hi, We have the above boiler, it started making clicking noises a few weeks ago (its 5 years old) when we turned the heating off at night, we were waiting for our gas man to come so started turning t ... more
home Fix label Heating label_important Home Heating Systems category Worcester

radiators on upstairs but not down??

we had three power spikes yesterday within 2 hours since then our boiler has been playing up we have hot water and the radiators work upstairs but not down unless we press the reset button. also the ... more
home Fix label Heating label_important Home Heating Systems category Worcester

Worcester Bosch 25SI Recharge Key!!!?

I need to bleed rads however water level low nearly red 1 on the clock. I have located recharge key and pushed it in and turned it but water does not top up. Recharge key was hard to remove worried ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Bosch W275 boiler in caravan?

I have the above water heater pipes froze have been replaced and now the boiler will not ignite- no gas supply reaching the ignite area
home Fix label Heating label_important Home Heating Systems category Boschdone

I have exactly the same ques as below-what wasthe answer?

We have a Bosch/BG RD532 Boiler controlled by a wireless thermostat & it occaisionally (right now!) looses the signal. The batteries in the thermostat are fine & the boiler works by pressing override ... more
home Fix label Heating label_important Home Heating Systems category Bosch

Heating?

I have a worcester bosch 240. The fan is not running and there is no 240 volt output on small sequence board. The fan will run if 240 volt applied direct to it.
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Can I improve flow rate?

I inherited a Worcester Bosch 280 boiler when bought this house recently. I find the hot water tap has to run for ages before anything like hot water appears! Is this commonplace for this type of sy ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Bosch Greenstar 24i?

Should the green override light be on or off when working normally?
home Fix label Heating label_important Home Heating Systems category Boschdone

pump over run ? ?

I have a Worcester Bosch junior Greenstar 24 i (2008) - noticed it's not turning itself off like it used and keeps waking me at night with a loud hum and vibration. I`m used to it "modulating" in the ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Re Worcester Bosch ?

When I have to turn the white knob to the left of the key, do I turn it to the left to fill to 1.5, and then turn right to close and tighten nut.
home Fix label Heating label_important Home Heating Systems category Worcesterdone

I have no control over the hot water temperture from my high flow 400 boile?

Worcester Bosch changed the heat exchanger in my high flow 400 boiler and did some upgrades since then I have no control over the temperature of the hot water which is either cold, tepid or very hot a ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Oil fired worcester bosch heatslave boiler not igniting?

After 3 hour power loss/low voltege (84v) boiler would not ignite. Checked fuses, ok. Pressed both reset buttons to no avail. No warning lights on. Pump and fan working. Plenty of oil. System pressure ... more
home Fix label Heating label_important Home Heating Systems category Worcester

Salus Roomstat RT500RF not responding?

Hi, I have the RT500 wireless room stat (new). It is correctly wired in boiler but not electricity reaching the receiver unit (no red or green lights). Any ideas what could have 'gone wrong' in the ... more
home Fix label Heating label_important Home Heating Systems category Bosch

problem with boiler after replacing batteries in thermostat?

i changed batteries in boss thermostat and discovered that the boiler wasnt responding to thermostat, even though thermostat appeared to be working fine, giving me the black triangle, which means it s ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Two slow flashing lights Worcs 35cdi about 8 years old?

Occasionally we have two slow flashing lights on the Worcs Bosch 35CDi. We press the red reset button and all ok for about two weeks ! Only does it first thing in the morning, not in the evening. Pres ... more
home Fix label Heating label_important Home Heating Systems category Boschdone

how do i bleed my worcester bosch 50/70 oil boiler?

where is the bleeding screw
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Drayton Digistat SCR not firing boiler?

Help, My drayton digistat scr is not firing up the Worcester/bosch 24i junior boiler. The scr is communicating fine with the Digistat 3 rf however the boiler will not come on. I have tried power cy ... more
home Fix label Heating label_important Home Heating Systems category Worcester

PRV Worcester bosch?

I've got a Worcester Greenstar boiler. The pressure dropped to zero and when I try to refill it, the water just gushes out of the pressure relief pipe. How do I reset the pressure relief valve so it i ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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