Hi All. Need some advice

[davidlynch20]

Another thing that supprised me was why the 32amp MCB tripped. A single oven usually comes with 1.5mm cable which is 20amp max. I would ahve expected this to be fused at 13amp . Should this appliance have a 13amp fuse which should have blown first before taking the 32amp MCB down.

 

[GeorgeCooke]

Another thing that supprised me was why the 32amp MCB tripped. A single oven usually comes with 1.5mm cable which is 20amp max. I would ahve expected this to be fused at 13amp . Should this appliance have a 13amp fuse which should have blown first before taking the 32amp MCB down.

A 32a MCB is must faster than a 13a fuse and usually trips first on a short circuit.

 

[buzzlightyear]

to higher. fault current for that. That why the fault by past the 13 Amp fuse and on to the 32 amp mcb .

 

[Wilko]

I can't believe these boilers fail when the power is turned off . So does this mean if there's a power interruption it busts the boiler? Anyone tried that claim on the DNO? I must've turned the power off to "1000" boilers and I must be the luckiest bloke ever.

Is this another item for terms and conditions?
"Sorry but I won't be responsible for your #%#% boiler failing to operate after it has been safely isolated"

I need to take a pill.

 

[solarsavings]

Just seen this on another forum about a glowworm boiler.

Had one yesterday turned off at switch on boiler did combustion seal electrons etc come to turn back on bloody switch had failed. Open circuit, by pass switch thinking that will sort problem till I can get a new switch, it had taken the board out fetched a new board from suppliers 1 hr drive through traffic 6 o’clock all running,typical Friday afternoon. Any one had this before ?

I’ve had it on an ultracom where turning power off at the spur took the board out.

over years seen it mentioned quite a few times on here about it happening , joke that a boiler cant be turned off and back on again

Had it only once on Vaillant 6xx R1. Turned it off at the spur and when turned back on it took the board out

 

[Wilko]

Before isolating supply I now turn the boiler programmer off, wait for the boiler to go through it's cool down cycle and be silent, then push boiler on/off button, then the FCU then the main isolator. If it still dies can they please just shoot me?

Makes me laugh that we're to make people pay for surge protection to protect attached equipment from some "it might happen" surge event, but it's ok that these things can't even be turned off and on ???Something very very wrong here from a consumer perspective.

 

[Shoei]

Never take responsibility for failure of a boiler or anything else that fails just because power is interrupted. That boiler will be CE marked and if it can't survive a power interruption it's either faulty or non-compliant for CE.

If the owner of the boiler thinks it failed because the power went off briefly they should be talking to the boiler manufacturer and not the person cleaning their oven.

 

[KEV 1 N]

Boilers are nothing! I did the same to a control panel that operated 6 fume cupboards at the Chemistry Department! The panel was around 30 years old, and apparently would cost thousands to repair, luckily they had some spares! Again I only switched it off to try and identify unknown circuits in the DB.
This was planned maintenance and all equipment had (allegedly) been shut down so we could turn on/off what we needed.
No equipment should fail just because the power is lost then restored within a few seconds!