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Catch up of some recent jobs, are you even a proper gas engineer unless your phone is full of work photos.....
Anyone had an F13 "short circuit cylinder sensor" on a Vaillant system boiler before.
It is a 100kw ecotec but fault codes are fault codes.
NTC's all correct.
No cylinder sensor installed.
New PCB fitted.
Vaillant engineer never seen it.
Check out Grundfos Magna 1, 40-80 F, 220mm. Removed from working heating system. ebay.co.uk/itm/146455560426?… #eBay via @eBay_UK
Check out Grundfos Magna 1, 40-80 F, 220mm. Removed from working heating system. ebay.co.uk/itm/146455560426?… #eBay via @eBay_UK
Check out Grundfos Magna 1, 40-80 F, 220mm. Removed from working heating system. ebay.co.uk/itm/146455560426?… #eBay via @eBay_UK
Check out Fan for Remeha quinta 65, 85, 90. S101726. Box Open but never installed/used. ebay.co.uk/itm/146398175934?… #eBay via @eBay_UK
Ecotec +100kw. 24v switch.
New pcb fitted, ntc's all correct, wiring harness good.
No hw sensor fitted.
Ideas?













