will normally show up as a blue/ green crystalline coating on the terminals.

verdigris

http://en.wikipedia.org/wiki/Verdigris

Even if you manage to fix the door contact yourself, how will you know that everything else is okay?

QFA sensible advice if there is no service history then you don't know when it was last serviced, for all you know it could be 5 years or more since an engineer looked at it. Its a bit like buying a second hand car you would get that serviced wouldn't you?

not until it broke down, ran out of oil and seized the engine, then I would let them have a look to see if it could be repaired on the cheap.

not until it broke down, ran out of oil and seized the engine, then I would let them have a look to see if it could be repaired on the cheap.

Your begining to sound like Arfur now Steve LOL

I didn't suggest that, as the garage I would do it for free, be on call 365 and never have a breakdown in 30 years.

do they buggery......

buggery nothing to do with it, and yes they do

Arfur

Still say in a house you have just moved into, the best thing to do is get an engineer in to check the system and ensure that it is operating correctly, has a good backup battery and it's configured to suit your requirements.

Even if you manage to fix the door contact yourself, how will you know that everything else is okay?

no argument, very wise words for an alarm, a car a sh washing machine - i think we need top allow for the o/p to have some common..

so giving the o/p the advice he actually asked for is surely more expedient in the 1st instance?

Arfur

never seen it on one of ours in 15/16yrs or whatever, even with the nylon **** we used until we found stainless doubled reeded ones

that's why the smarter people would ask me to attend - and not you lol!

depends a lot on the make and how installed, if the hole is drilled a bit deeper than needed, and if not a tight fit (due to warn 20mm bit ) the little pins shake down due to door being slammed over a period of time.

Arfur

never seen it on one of ours in 15/16yrs or whatever, even with the nylon **** we used until we found stainless doubled reeded ones

these would be the 25mm and chrome plate,

earlier version had the magnet simply bolted onto the plate, but they shook loose over time and gave to same problem. later ones came with nylock nut which was better and then a rivet replaced the nut and bolt completely.

Arfur

Your begining to sound like Arfur now Steve LOL

Oih!

theres nothing cheap about me luvvy

Arfur

Edited June 9, 201015 yr by arfur mo

so giving the o/p the advice he actually asked for is surely more expedient in the 1st instance?

Absolutely, he asked "Any suggestions" - that's what he got.

and if not a tight fit (due to warn 20mm bit

in happyland when woodspade wear the get smaller rather thn larger...... werid **** indeed