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Power was cut and now boiler wont start up. programer showing error code 2p16??

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: ariston A01 fault combi boiler

its not definately the pcb. change the detection sensor first( £3.20p). if this doesnt fix a01 fault then change the main pcb(£145).

Posted on Jul 06, 2009


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Ferroli boiler optimax he 38 c.Powers up ok,no hot water,no error code.Think its an ignition problem.Heating flame not showing?????

Is there an error code? If not the flow sensor for the hot water could be faulty. Also if you've had a power cut depending which model of Optimax HE you have, you sometimes have to tell the boiler it's a Combi, as they have a generic Pcb fitted which is also used on the system only boilers.

Sep 26, 2013 | HQRP Universal A/C Remote Control...

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My Smartfit room unit is showing no fault codes but boiler wont cut in I have no power at PL in control box or at L on boiler

Boiler make and model????

To which control box do you refer? The system junction box? Boiler junction box?
No power at L (line?) on boiler (and this is why the make and model is important) means boiler should show no signs of life at all, but then it's boiler specific, some have 3 wire power (L,N,E), others have an extra terminal called something like SL.

Jan 21, 2013 | Heating & Cooling

1 Answer

What does error codes e34 and d65 mean on ariston boilers

You need to service the boiler and more likely to remove the restriction ring in flue, as only serving not always work or work only for short period, as boiler get older it is struggle to move exhaust gases out from burning chamber so it need good clean for fan, heat exchange , and there is restriction ring just befor L bow which need to remove so gases can flow better.

Jan 16, 2012 | Water Heaters

1 Answer

Have a burmham freedom cm120. There is mo error code. The circulators rum but boiler does mot fire up. Why is there mo error code for this problem? What do you thimk is wromg with it?

If you have no codes then I would say that the problem is not within the boiler. It would be because the boiler is not getting signal to fire.
Open the flip down lid at the control module and find the low voltage terminal strip. Jumper #1 and #2 If the boiler starts then you have a problem outside the boiler. If not then it is inside.

You can find the terminals by looking on page 55 of this

Now if it is inside your boiler then start checking out the controller settings. The warm weather shutdown may be active, or the temperature limita are such that it will not call for heat.
Programming those MCBA controllers can be abit tricky and sometimes a power surge can mess iwththier brain... :-)

I hope that this will help you to solve your problem!

Thanks for using Fixya!!


Dec 07, 2009 | Water Heaters

2 Answers

Electrolux WT-4 -- C2 error code -- What is it?

C2 is Boiler temp too high.
Possible causes include:
Boiler Temp setpoint adjusted above 90C in programming
Boiler relay welded/melted
Boiler water level sensor not functioning correctly

Hope this helps,

Aug 20, 2008 | Electrolux Dishwashers

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