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George-Allsorts
George-Allsorts, Senior Appliance Technicial Manager
Category: Appliance
Satisfied Customers: 1448
Experience:  A whitegoods technician with 30+ years service in Domestic Appliance Service & Repair, and General Mechanical & Electrical Repair
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Vaillant ecotec plus637 boiler. When system calls for heat

Customer Question

Vaillant ecotec plus637 boiler.
When system calls for heat boiler does not fire and shows fault code F 61. If I press the ignition button on the boiler it fires snd runs ok until the next occurance.
Any thoughts
Chris
Submitted: 1 year ago.
Category: Appliance
Expert:  George-Allsorts replied 1 year ago.
George-Allsorts :

Hello, my name is***** be patient whilst awaiting any responses as I'm not constantly available.

d.61 Number of lock outs Number of unsuccessful ignitions in the last attempt

George-Allsorts :

Just looking at the service manual Chris... One moment please

George-Allsorts :

Ok chris... according to the service manual F.61 is informing you that you have a defective gas valve.. however a few things could cause this...

George-Allsorts :

Are you able to test things yourself?

JACUSTOMER-h4lvq92t- :

I have the msmua

George-Allsorts :

the what?

JACUSTOMER-h4lvq92t- :

I have the manual so I could see the information re defective gass valve. I am able to test but will now not be available until mid afternoon to do so.if you have any thoughts for a systematic fault finding check I would be gratefull athereise I could log back on latter.

George-Allsorts :

In that case I can fire you across the service manual as you'll need to test for the following

Short circuit/earth (ground) leak in cable harness to gas valves
Gas valve assembly defective (earth/ground leak from coils)
Electronic control system defective

George-Allsorts :

I will leave you a link to the manual here

In the meantime, can I ask you to take a moment to rate my assistance/responses so far? Please use the smiley faces which you should now see. Once rated, I will assist you further with the fault... The higher the rating the better for me.
This will initially close our chat but we can still re-open and continue our conversation

JACUSTOMER-h4lvq92t- :

Ihave the manuals so i have the above info so I am afraid the above is not a lot of use.

George-Allsorts :

You alreaady have the service manuals?

George-Allsorts :

In that case what is it that yourequire from me?

George-Allsorts :

Ok, come back t me later and I can walk you through testing the valve and the cable for earth leaks

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