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Replace smoke detector its knackerd.

Ive been asked to replace an inline extractor fan located in the roof space and am not to sure wether this work is notifiable as works are in the loft. Bathroom has all supplementary bonding ect, and i will issue a small works cert but do i have to involve local authoritys. Thanks

Without engineers code there isnt a great deal you can do, not to sure if you can reset nvm on r8. alarm company shouldnt charge more than 60-80 pounds

Sounds like the lec is faulty but before you change it make sure it is wired correctly disconnect power A or B leave off for a few seconds then put back in terminals (be careful not to short) and do a relearn check that pirs are wired correctly as there are many things this fault could be. If...

Go to engineers menu 1 and press c to relearn hardware hopefully an exceptance tone will be heard and it should see them zones if not maybe a wiring fault, hard to diagnose fault without going through all the programing or being there.

How many zones are there in the (zone expansion box) and is that called a lec or a node? and breezer is right nothing to do with outputs

A Ts 690 is a 6 zone panel, zones 7-8 and 9-10 are either took from a lec or rkp (remote key pad) my guess is it is not seeing them zones as the lec and keypad have not been addressed properly or maybe a relearn is needed check behind rkp and lec and make sure they have different addresses.

Ive had similar problems in the past and rcd hasn't tripped on half test change rcd could be mechanical fault with it.

Thanks gary i could have done it a differant way but what was important was id done it correctly.

Is there supplementary bonding to light or shower /shaver in bathroom from heater, its not just metal pipes that need bonding its also any thing that is electric in any zones, your ok in zone 3 as long as supplementary bonding is in place.

certainly was on trip lock saves a lot of time. take your advice on shorting out at mains should have thought of that but that socket had highest zs so tested from there funny thing was ring from end to end was L to L 0.08 N to N 0.08 E to E 0.16 ohms only had 3 doubles and 2 spured singles on...

Its a tncs and measured ze was 0.20.

Is ring rcd protected? is supplementary bonding in place? what zone is the heater in?

Today i was doing a pir for a client after visually inspecting parts of the house it became apparent that a 6mm old cooker cable had been used to supply a ring main wired in 2.5 to the kitchen. Obviously it had been terminated in a jb some where as there was no evidence of a 6mm cable to any of...

to change code = 6 enter, original code **** original code again**** then new code ****

Reason is what about boiling an egg and it boils over onto a switch protected at 30-32 amps non rcd protected? steam from the sauce pan entering a switch day in day out not gonna do the contacts much cop, just not good practice in my opinion.

I certainly would not sign off the work if ccu was above the hob would you?

Same here, but if it must be wireless ive found the powermax to be good and reliable. Fairly expensive but worth the money in my opinion.

Take off keypad and reposition tamper spring it should click when fitted back.