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Sime ecomfort boiler 25he-ev fault al01

Parameters correct fan ok pressure switch ok smoke stat 0k anything else i can check.

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Try checking filters? They get plugged up. And wont let water circulate.

Posted on Jul 14, 2014

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Posted on Jan 02, 2017

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SOURCE: SIME ECOMFORT 25 HE BOILER - Dripping water ???

If it's from the condenser, it's ok
Should really be piped away but a container under is also ok

Posted on Dec 22, 2009

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I have an ariston 20/24 mffi combi pressure rises when switched to central heating but pressure ok when asking for hot water ? expansion vessel ?


over heat limit stat on central heating circuit ? if hot water is ok and hot to temp when run for 5 minutes the expansion vessel is doing its job.remember hot water is the maximum demand for any boiler ,,heating is secondry?once you establish hot water at maximum rate then the only real problem is on you demand for heating??

Dec 10, 2012 | Water Heaters

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Boiler not working


When the fan stops working it also stops the boiler. Safety.
Check that the fan is turning and blowing air out. You can hear it turning at the top of the boiler and at the vent pipe exit.
With the electrics off, remove front cover and test the fan by moving the blades by hand. Any element of stiffness or jerking or if the fan does not turn freely - replace. These have an induction motor - no repair
Check the electrical contact wires to fan are ok. If the fan is ok check also the 2 plastic tubes to & from the air pressure unit [usually close to one side of the fan] are intact [no splits or holes and will maintain pressure and vacuum] and fully connected to their metal terminals.
Next is to examine the pcb (the electronic board behind the switches) Look for any block connections loose and any obvious signs of black marks on the board. If the latter, replace

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Keep turning off . comes up with codes


1. overheat stat 2. fan check little hose at fan area for pinhole 3.micro switch best of luck

Nov 05, 2009 | Rheem Rtg53xn Natural Gas Tankless Water...

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I have a richmond tankless water heater and its been shutting down and showing a code c7 or c8


1/overheat stat 2/ fan 3/diaphrapm valve 4/ micro switch check area around fan very small hose pipe for pinhole best of luck

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No hot water when heating tempreture reached.flow switch is operating, power at flow switch terminals on pcb (three wires),? but when working hot water runns for ever and heating runs ok too untill the...


I have a triton opal shower.

I turn shower on low pressure and cold water. then no low pressure and piping hot water for a very short time then low pressure and cold water.

I've changed the solenoid and the little black plastic ball.

Help !

Aug 21, 2009 | Water Heaters

1 Answer

Hayward C-Spa XI 11 heater non operational


hi not coming from the US but from the UK. have you wired up the elements correctly?
you need to make sure there is power at the elements, you can do this by using a multimeter.

By physically disconnecting the elements & fitting a plug on them & plugging them directly into a power outlet, that way you can definately be sure that the elements are ok, but if you are in the US make sure its all to code?

Check the thermo( I am guessing by this you mean the thermostat?)
You can link this out just to make sure that the thermostat is not at fault. so by doing that you are putting the heater in a permanent demand, if that works then it could be the stat thats giving probs.

So you kinda get where i am coming from process of elimination here? or that if a timer is in an off position?

My hunch sounds as though it could be a pressure switch prob?

if you have wired the elements in right make sure your not getting a back feed & that its not showing you theres power when in esscence there isnt ?

Kindly

Richie

Dec 16, 2008 | Water Heaters

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