fault finding | Page 5

fault finding

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  1. rolyberkin

    Fault Finding

    This is not my job and is an issue a colleague at work is having with his house wiring, but as I am doing my fault finding unit shortly will run it by you all out of interest to see whether I am thinking the right things. A work colleague has come in today with the following problem: He...
  2. S

    Am2 fault finding

    Can a get some tips on the am2 fault finding. 1 fault that was on my list was chattering on DOL motor unsure how to find the fault.
  3. G

    Fault finding

    Identify the tests that would be carried out to locate each of the following faults, as reported by the client. a.A circuit breaker keeps tripping, as soon as it is reset, which is protecting a socket-outlet circuit. b. RCD on the outside lighting circuit trips frequently, even though the...
  4. D

    Fault Finding help

    Hi, I'm being assessed for fault finding as part of my NVQ tomorrow and have just had a bit of a 'what the hell am I'm doing' moment! I'm building the fault in. It will be a loose neutral touching an earthed metal back box in a socket on a ring main, causing the RCD to trip. My plan of attack...
  5. mattg4321

    Fault finding series LED outside lighting (collingwood)

    Got a regular customer who has just bought a house with some series wired Collingwood LED lights wired in series in the garden. Sparks who has done it hasn't done a bad job to be fair, but clearly didn't think too hard about those behind him! All 9 lights are on 1 switch and 1 driver (constant...
  6. C

    Inspection & Testing Fault finding & diagnosis

    Hi, my name is Craig. I have been doing electrical for about year+ but only started college about 10months ago. We have began the new unit of fault finding etc, and I am finding it quite difficult at the moment, and wondered if anybody had any video/reading material that is going to help me...
  7. L

    Afternoon Fault Finding

    Got a call from work to go and visit a signage factory, they manufacture road signs, lights etc. One of their machines is used to buff/sand/polish cylindrical stainless steel pipes. This is a belt sander which rotates via a motor inside the unit, the belt sander is then spun around via a...
  8. N

    Fault finding. Mind boggling

    I'm stumped on this one. My mate has a two way garage board in his garage. Circuit 1 is lighting, circuit 2 is 3 sockets on a radial. Lighting works fine. Sockets trip main RCD in DB when switched on. 3 sockets are now disconnected. Tried to reset 16A MCB (for radial circuit) and still trips...
  9. Lee Gold

    Short circuit and break up cable on fault finding rig

    Can someone explain a short circuit And a break in a cable when fault finding please what is the meaning of them please. Was fault finding today on test rig
  10. X

    Fault finding

    Are neutral earth faults classed as an earth fault?
  11. B

    Electrician Jobs Electrical Fault Finding Needed Sheffield Area.

    The house was completely rewired approximately 9 years ago. starting approximately 2 years ago very occasionally we have experienced a tripping RCD issue. the areas affected are the top floor bedroom sockets and some of the kitchen sockets. This seems to happen when the light in the top...
  12. G

    Fault finding maps

    Anybody make a map of existing stuff when doing alterations ? Left all 1st floor socket cables taped together ready to go back in. Just found this after pulling 1/2 the house apart Blasted all the new fronts etc on the other day came to turn on and 2 faults on a 2 leg radial circuit. 1 leg...
  13. C

    Help with old crane fault finding l.

    So I'm currently attempting to find a fault with a 5 ton indoor crane. Right the crane doesn't work at all but there is power all the way up to the panel which is mounted on the crane, I have opened up the controller which hangs down from the actual crane and I have no power going to the...
  14. HappyHippyDad

    Fault finding!!!!!!

    Hello all.. I have a problem with a tripping RCBO and it has me stumped! Yesterday I fitted 10 RCBO's into a CU which currently had an RCD main switch. This was a sub circuit from a house CU which feeds various circuits for a cattery. 4 of the RCBO's are for the cattery pens. Pens 1,2,3 and 4...
  15. B

    testing and fault finding on emergency lighting circuits

    Good afternoon to anyone seeing this, I've attached a file to this to ask if someone could explain or describe the job / operation of the item pictured. ? Also so I just have one more question which is the following, when flip testing emergency lighting circuits how can you tell when the...
  16. S

    AM2 Fault Finding

    I have my AM2 fault finding resit next week as was wondering if any body had any hints/tips to get me through it. thanks
  17. L

    Fault Finding on AM2 .....

    I recently failed my fault finding on my AM2 after passing everything else. I'm just wondering does anybody have any tips for fault finding as it isn't my best topic ?
  18. D

    Fault finding query

    Any thoughts on this would be a great help. I've got a 4pole 300mA rcd feeding a DB section through a contactor. The section in question feeds a load of 250/400w hit fittings through SP mcbs (4 per mcb x5 ). There are some other circuits on there but I've ruled them out. The problem being...
  19. Richard Burns

    Ideas for approaching Fault Finding

    Paul M has suggested an earlier post I made should be more readily available so an edited version is posted here for your reference. Thanks Paul. Just my thoughts on what and how you may be able to approach and break down electrical fault finding. Always remember what training you have...
  20. Tiny Spark

    A strange fault and a interesting days fault finding....

    Ive had a amusing days fault finding today, Found several faults but have come out of it asking more questions than I have answers. So Me and a colleague go to this AHU that keeps tripping for unknown reasons, The pannel has been canabalised and the inverter and motors covers are removed but...

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