icos / isar / istor boiler fault

Hi Pete here, I repair boilers for a leading manufacturer and had a loverly fault today and it is not uncommon with this type of boiler gas valve.I was called to a isar with l..f flashing.. I checked for voltage at the gas valve on the conector(still connected) and that was fine.... Checked negative vaccum on the venturie .. is was also fine.... mmmmmm scatch head.... got gas... got ht.... but no flame.... scratch scratch.. I know I will ring Jim, I he said the connecter is faulty..(scotish accent) Sure enough the plug may have fitted tight on the gas valve pins but they were not making contact. Aparently this is common. Just thought you chaps would like this if you get one. Regards pete

Reply to
gasman pete
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Thanks. Added it to crib sheet I'm putting together

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Reply to
John Stumbles

BTW what's the cure? Is it just a matter of re-seating the connector or do you need to replace bits?

Reply to
John Stumbles

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