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fault
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic forces, with the largest forming the boundaries between the plates, such as subduction zones or transform faults. Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep.A fault plane is the plane that represents the fracture surface of a fault. A fault trace or fault line is a place where the fault can be seen or mapped on the surface. A fault trace is also the line commonly plotted on geologic maps to represent a fault.A fault zone is a cluster of parallel faults. However, the term is also used for the zone of crushed rock along a single fault. Prolonged motion along closely spaced faults can blur the distinction, as the rock between the faults is converted to fault-bound lenses of rock and then progressively crushed.
Evening all, I’ve just left my last job of the day and I’m completely knackered. I’ve just been round to a job I did in January ( manual flush radiator on kicrobore) and whilst I was there the old tower mid position valve was making a racket, so the customer asked me to put a new one on(...
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I replaced a programmer on an S plan system in a small bungalow and when checking zone valves operation, I discovered an existing problem.
There is the usual 2 port MV for radiators, (controlled with hall stat), plus a second 2 port MV for hot cylinder, (controlled with cylinder stat)...
Hi all, ive got a call to look at a vaillant ecotec with an f 62 fault tomorrow. Its a gas valve fault not closing properly but it also could be the pcb causing the same problem.
Can anyone advise me.
Is there a simple test to be sure its the gas valve or the pcb that needs changing. Thanks in...
Couple weeks ago I was called to a customer complaining her hot water was extremely hot. When checking the system I found the 3 port to be stuck in the mid position which explained the hot water issue. While I was there I noticed the pump was an old bronze pump so advised it would be a good idea...
hi guys,
As mentioned in the title I am going to visit a customer today and she has got a Vaillant f20 fault code. I would like to pick your brains and ask what it could cause the boiler to overheat?
Don’t get me wrong I know a few reason but perhaps it is a common fault and you could guide...
Hi guys, I've just spent the last half an hour going through the fourm trying ot find someone with my problem but no luck.
I have a C24 combi showing F1 fault, the pressure is high if anything - just over 2 when it should be 1.5.
Any idea how to make this error go away? I turned it off and...
Hi folks
Currently a Service Engineer looking to move onto Repairs.
I've been looking for a Fault finding course which also does controls & have came across P & J Training in Johnstone, Scotland.
They want £350 for a 2 day course covering Multimeter training, Fault Finding and Testing and then...
Hi Folks
I'm a service engineer but looking to do a Course similar to Baxi's Fault Finding & heating Controls course. The company I work for aren't able to give me the extra training I want which is frustrating as I want to progress onto Repair/Breakdown.
I'd also be happy of opportunity to...
Morning all,
This is my first post and I confess I did not even know about checking boiler pressure until yesterday, so any help would be much appreciated.
So, my Ideal Mini HE C24 boiler stopped working last night. The lock out light is red. There is a click, a blue spark of light behind its...
Hi, I have been asked to look at a Ferroli Modena tomorrow evening. I've been text the details by a letting agent. They have requested I attend after 7pm, fine by me I have a job around the corner at 6pm.
It's giving the fault code A01. It's an ignition fault. Is anyone familiar with this?
I...
hi new to this site wonder if anyone can help. The above boiler goes to e5 ONLY when the bath tap is run I have replaced the burner seal with a new graphite one and the electrode.
Heating fine other taps ok but still bath an issue
Any help would be appreciated
Hi,
Had a phone call today from a letting agent. Asked me to straight swap a programmer and asked how much. I said 1hr labour if its as they say.
Programmer supplied by agent and left at the property for me. I asked has it been confirmed it's the programmer at fault. (I didnt want there to...
Hi. I know that F1 means low water pressure. Had a look at the boiler and taken front cover off and can’t see any filling loop!? Any idea how to bring water pressure back up?
Hi
I am having an intermittent problem with the lock out on both the cooker and boiler side of the unit. The oil pressure is OK at 130 PSI I have tried it higher but no improvement. The jets are relatively new and the combustion chambers are clean. When just the cooker is running no lock out...
Hello everyone,
Just been called to this boiler with no heating or hot water. My first Ravenheat boiler. When there is demand for DHW boiler sees the demand the pump runs for several second and then the fault code 28 is displayed.
Looking at manual it states: Failed Flow Water Pressure Switch...
Worcester 30si combi boiler, hot water doesn't stay hot. Boiler stays lit & seems to be happy, diverter valve working as it should, central heating works fine. Flow rate at the tap is above what it should be, but it has worked fine for 9 years. Replaced tem sensor, even though it tested out okay...
Genuinely not spamming this forum or system, but thought this fault finding system might be useful to you guys. The boilerfaultfinder system has a lot of technical information for heating engineers and plumbers regarding 'boiler fault finding'. Google
A lot of it is free and works well as a...
Does anyone have any experience with resolving an A02 fault?
"Flame present signal with burner off."
Possible cause: electrode or card fault.
It usually starts with an error code regarding no flame after ignition phase and is replaced by A02. I had a gas valve fault being displayed but got rid...
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