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Likely Gas Combi-Boiler P.C.B. Damage.

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Mornin' all,

                         I hope that you are all keeping your spirits up during these trying times.


Yesterday I made a mistake. I can only attribute the reason to the work environment and me being pre-occupied with self distancing on site and being distracted by the house occupants, plus stupidity.


The owner had apparently struck a wall thermostat due to it being unreliable in operation, and he having a bad temper. The dial part was cracked. He asked me to change it for a new one. The wall thermostat is a Honeywell make. I have wired up many of these in my time. I did not have a Honeywell replacement but did have another make of a similar design. So I fitted that. After I had fitted the new one I noticed that I had no mains supply showing at the wall stat. I checked the switched fused connection unit at the boiler and it was displaying a glowing neon, so the 3 Amp fuse there was intact. I was asked to refit the original wall stat, which I did, and a gas engineer is coming out to look at the boiler. I did not see the boiler working initially, but the owner and his wife assured me that it was working that morning.


I must have wired the new wall stat up wrongly and shorted between L and N. That probably blew the 1, 2 or 3.15 Amp fuse on the boiler P.C.B. I did not dismantle the boiler to look.


What is the chance of irreparable damage to the boiler P.C.B?


Unfortunately I did not note the make and model of the boiler.


Bye,


Gloomy Z.

Parents
  • 0
    Back in the days I was referring to I carried around enough stock on the van to install the controls for probably five central heating systems in between trips to the wholesalers. 


    If you turned up to do a job miles from anywhere where you needed everything to hand just in case, I still do  that to a certain extent, but not for central heating jobs. In fact I have run my stock out of LED flood lights and other similar materials out as well as that of central heating thermostats, etc, becoming very focused on what I actually have been doing rather than being prepared for every eventuality.


    The decline in work of a certain type can become a self fulfilling prophecy, whilst people know you are driving around with stock and the kit to dirt particular jobs out they will ring you yo do so, if you start saying you cannot come for a couple of days or you can come and have a look, but will have to do a second visit because you have to order the kit got overnight delivery the phone doesn’t ring so often.


    Andy B.
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  • 0
    Back in the days I was referring to I carried around enough stock on the van to install the controls for probably five central heating systems in between trips to the wholesalers. 


    If you turned up to do a job miles from anywhere where you needed everything to hand just in case, I still do  that to a certain extent, but not for central heating jobs. In fact I have run my stock out of LED flood lights and other similar materials out as well as that of central heating thermostats, etc, becoming very focused on what I actually have been doing rather than being prepared for every eventuality.


    The decline in work of a certain type can become a self fulfilling prophecy, whilst people know you are driving around with stock and the kit to dirt particular jobs out they will ring you yo do so, if you start saying you cannot come for a couple of days or you can come and have a look, but will have to do a second visit because you have to order the kit got overnight delivery the phone doesn’t ring so often.


    Andy B.
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