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Okay, now i dont consider myself to be the best "fault finding" engineer out there, and much prefer the installation side of work, but with the cold weather approaching I thought i would ask some questions on the following scenarios...
For example, If after looking at a combi boiler where the hot water flow goes hot then cold, hot then cold etc I would be thinking blocked w-w heat exchanger, after testing thermistors etc... My question is what if the boiler after fitting a new £150.00 exchanger still has the same fault...??? Other than me looking daft, the customer is going to think Im not paying for that, it didnt fix it!!! ( which is fair enough ) But then im 150 out of pocket!
Probs not the best example, but my point is that some intermitent faults really do mean it might not be first time first fix surely, I dont wanna go to boiler breakdowns thinking that if my part dosent fix it.. its on the "house"!!! Espically when you follow the boilers fault charts these days and they all point to the pcb =[ ...
Does anyone else have this issue or should i just take it easy untill i build up breakdown experience?
For example, If after looking at a combi boiler where the hot water flow goes hot then cold, hot then cold etc I would be thinking blocked w-w heat exchanger, after testing thermistors etc... My question is what if the boiler after fitting a new £150.00 exchanger still has the same fault...??? Other than me looking daft, the customer is going to think Im not paying for that, it didnt fix it!!! ( which is fair enough ) But then im 150 out of pocket!
Probs not the best example, but my point is that some intermitent faults really do mean it might not be first time first fix surely, I dont wanna go to boiler breakdowns thinking that if my part dosent fix it.. its on the "house"!!! Espically when you follow the boilers fault charts these days and they all point to the pcb =[ ...
Does anyone else have this issue or should i just take it easy untill i build up breakdown experience?