fault

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  1. P

    Main switch SPD pen fault wiring

    Hi all, Customer is buying a Tesla ev and he was thinking of getting a Tesla charger but he said to give him 1 quote without a charger (him buying Tesla charger) and 1 quote with me supplying a charger… The Tesla charger hasn’t got pen fault detection and I’ll need to fit one. The existing CU...
  2. Hakuhou

    UK TT undetectable PEN fault

    Reviewing earthing methods and come across this. Suppose a TT system is installed where the installation earth penetrates the PEN, not completely servering it but enough that it effectively creates a second circuit (see image). Am I right in thinking that this is effectively undetectable? The...
  3. D

    Hortsmann ChannelPlus H37XL Series 2 programmer fault query

    Hi, we have 2 of these to control 6 zones as follows: Unit i: Channel 1 - always on as it controls underfloor heating in kitchen Channel 2 - On timer for rest of ground floor Channel 3 - On timer for Living room Unit 2: Channel 1 - On timer for Office/bathroom Channel 2 - On timer bedrooms...
  4. KevHardy

    Can a dodgy electric supply cause a TV fault?

    Hi, turned on (LG) TV this morning and got a 'Select Item' screen and the volume graphic flashing constantly. The remote works and you can select menu items but it returns to the 'Select Item' menu shortly after. I looked online and some suggested faulty power or HDMI cables, so I detached...
  5. W

    Fault on lighting circuit

    Bear with me because this is long. So got an intermittent fault on the upstairs lights. Trips the mcb after a few hours, getting a reading of 0.01 mega ohms between live and earth at the board, tested cable going to db from first switch and it’s clear. Tested the cable going from first switch to...
  6. Bluetit

    Intermittent central heating fault..

    Hi, I've recently looked at a fault with an intermittently tripping RCD at a property for a landlord I do the odd job for. Got there and did the basics, IR'd the cables, looked at resistances across the pump, got acceptable results everywhere I looked. Played with the heating, demanded hot...
  7. littlespark

    Solax inverter fault

    Was at my parents at the weekend getting their tree down out the attic, and I noticed their inverter was reading 0.0W…. Popped in again this morning to check it was getting power before I thought about cracking it open. Can anyone explain what everything means compared to what I think they...
  8. Retroelectric

    Rcd fault not tripping

    Hi I have only had a quick look at a fault so haven’t gone too far into it. Lighting mcb tripped out, elderly lady wanted it checked out before it went back on so meggered it, all lights worked but rcd would not trip. It’s a BG 3+3 split load installed by someone when the heating was done about...
  9. J

    Pen fault pme fault detection?

    So I’ve been looking for a pen fault detection device for hours and only found like 1 which is sold out ?! Any idea or urls anyone can send for a pen device. I’ve found a lot of pme faults detection for ev. But I want pen. Or does it not matter I thought it did matter
  10. Bluetit

    MF 32-40a joint

    Hi all, Just been on a kitchen remodel, has used the existing cooker feed due to difficulty of run/budget, but the kitchen fitter has kindly put a couple of rows of shelf brackets directly above the cooker switch and perfectly pinned the N to the CPC. Builders being builders seem to think it's...
  11. HappyHippyDad

    Todays fault finding

    I had a bit of a head scratcher today, I think I've got to the bottom of it but thought I would run it past you guys. 0.15MΩ between N and CPC on a ring circuit. I started breaking down the circuit and when I disconnected one of the sockets the fault cleared. I now got 15MΩ. Nothing obvious...
  12. O

    Fault finding for display not working on water softener

    Hi everyone. I'm not sure how this works but if anyone is able to help point me in the right direction that would be great. I've got a Monarch water softener and the display isn't working. When I turn on the power it shows just a blue screen. When I press the buttons I hear a beeping noise and...
  13. V

    EV Charger reporting PEN Fault

    This is a baffling fault I've been fighting with for a couple of weeks now, so I wondered if another set of eyes will help. I installed an EV Charger a few weeks back, and all went well for a while, then the client called me to say it wasn't charging randomly. Resetting it brought it back to...
  14. captaincaveman

    How can you clear a fault but have no power

    Hi all. Big old house with upstairs lights tripping. Barely any access in attic due to old beams etc. Insulation resistance fault of 0.34 Live to Earth Disconnected all conductors at assumed first light fitting. IR fault at CCU now >10MO I re-energise at the CCU so I can see if any other...
  15. R

    Books on Fault Finding Electronics

    Would anyone be able to recommend fault finding books or YouTube videos. I’m just looking to brush up on my knowledge. I currently work in fire and security.
  16. R

    NVQ Portfolio Help Unit 115 - Fault Finding

    Hi all, I’m about to complete my portfolio and need some help to get Unit 115 - Fault Finding signed off. I work in maintenance and we don’t have multi-tester I can use for this module. The assessor brought his when I did Inspection and Testing, but I ran out of time to get one job for 115 as...
  17. R

    Help on lighting fault

    Advice required please guys. Currently doing my electrical apprenticeship and encountered a fault today with my colleague at work which left me abit stumped. Customer had tried to change a light fitting and “just put all the blacks together” apparent that one of these blacks was in fact the...
  18. S

    Karcher SC4 fault tripping mains

    We have a Karcher SC4 steamer, it was working well until today. Now when you plug the appliance in it trips the fuse in the consumer unit. I have tried to plug it in elsewhere to make sure it was overloading, and it still does the same. I opened the device to take a look and run a continuity...
  19. littlespark

    Fault finding head scratcher.

    Quick drop in at a house on way home…. Customer couldn’t reset mcb for rfc. Power off at board, outgoing cables disconnected… I was getting 200V between the neutral bar and the earth bar within the CU. With the CU mainswitch on, I am getting a voltage on the disconnected live cables. Have...
  20. R

    UK Inverter over grid voltage fault

    I have a Solis 3.6 KW inverter which works well until it exceeds about 2000W when it shows "over grid voltage" and shuts down. This does not happen if something is switched on in the house which draws a large amount of current such as the immersion heater. I have a voltage meter in the house...
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