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Fault code f26 ferroli optimax 25c how to reset, there is no heating or water temperature for press

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Posted on Jan 02, 2017

rockitman187
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SOURCE: ferroli optimax 31c

Here is a link to the manual.It shows fault codes.
http://www.ferroli.co.uk/Product_Documentation/Domestic/Optimax_HE_31_C_Manual.pdf

Please rate this solution.

Posted on Jan 17, 2009

  • 2 Answers

SOURCE: problem with heating on ferroli optimax 31c

d2 is the code symbol for delay after central heating. and is not a fault code.. however if this is coming on then stopping the operation of the boiler then it usually points to a sticking diverter valve.

Posted on Jun 28, 2009

  • 9 Answers

SOURCE: fault code ( nocn ) on a ferroli boiler

if nocn is on the time clock then check the wiring to time clock and if all good then it is the time clock at fault and will need repleacing

Posted on May 04, 2010

  • 2 Answers

SOURCE: hi i have a ferroli optimax 31c , hot water works

diverter valve problem will require replacing

Posted on Oct 02, 2010

  • 2 Answers

SOURCE: fault code f26 ferroli optimax 25c how to reset

There is a parameter on the pcb to change would take 30seconds to do. Never replace ur pcb for these faults. Hold down reset untill u see t5 press reset 1 more time it will then say p01 press the heating temp button until u see p02 press the hot water temp button until it changes to numberv2 and that will fix ur problem

Posted on Apr 25, 2011

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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.

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Ferroli optimax 25 c heating won't come on


Did you ever find out what this was as I have the same problem??

May 03, 2012 | Heating & Cooling

2 Answers

Fault code f26 ferroli optimax 25c how to reset


There is a parameter on the pcb to change would take 30seconds to do. Never replace ur pcb for these faults. Hold down reset untill u see t5 press reset 1 more time it will then say p01 press the heating temp button until u see p02 press the hot water temp button until it changes to numberv2 and that will fix ur problem

Dec 25, 2010 | Heating & Cooling

2 Answers

Fault code ( nocn ) on a ferroli boiler


if nocn is on the time clock then check the wiring to time clock and if all good then it is the time clock at fault and will need repleacing

Apr 25, 2010 | Heating & Cooling

1 Answer

Optimax 25c ferroli, central heating!!!!!!!!!!!help!!!!!


there should be a perm on setting on the system so instead of running it on timed mode switch it to on there is also a boost wich usually give 1 hour of heating

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Require room thermostat for ferroli combi boiler optimax 25c . I have a honeywell at the moment which stopped working. it has two wires coming into it from the boiler


Get a Ferroli wireless programmable room stat. City plumbing supplies can get hold of them but you'd be looking at approx £130. Part number 30800009. No wiring involved, the receiver connects to the boiler pcb. Had same problem but now fine.

Feb 18, 2009 | Honeywell Programmable Thermostat Heater

7 Answers

Ferroli optimax 31c


Here is a link to the manual.It shows fault codes.
http://www.ferroli.co.uk/Product_Documentation/Domestic/Optimax_HE_31_C_Manual.pdf

Please rate this solution.

Jan 16, 2009 | Heating & Cooling

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