fault

fault

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  1. Yellowhammer

    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...
  2. 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...
  3. 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...
  4. 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...
  5. Calebp43

    Fault finding job

    Did a fuseboard change yesterday from an old wylex board to dual rcd on a TT system with 14ohms ZE and finished pretty late. Went back this morning to test and was told that her cooker was tripping the rcd. Before checking the cooker element I did an rcd test this morning on the left side of...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. S

    Boiler Fault

    I’m hoping someone can help with this boiler problem. Couple have just moved into a house that has a Grant Vortex combi boiler. The current setup is a two channel programmer, turn the heating on at programmer & it calls for heat at stat that then returns to CH terminal inside boiler. Hot water...
  11. Sven666

    UK Inspection - Basic fault coding questions

    I have to re-sit 2391 photo coding assessment (having passed the rest), and have a couple of simple scenarios I was unsure about last time. (I know I will get different photos this time). I'm curious how everyone asses these: The task is to identify all faults (if any), likely outcome, and code...
  12. A

    I have a DC-INT (DC interference) fault

    I have a recurring DC Interference fault on my solar system. I have gone through all the scenarios recommended by Solis, but still no solution. All I can pinpoint is that the fault occurs when the batteries have just equalised at 100% and there is an additional power demand such as switching on...
  13. wsoppitt

    Rcd fault

    Hello guys and girls , I have a question if I may. Have to go and look at a intermittent fault on rcd , I'm told the circuit holds whilst using light appliances ( TV, etc ) but randomly trips the rcd on heavier loads ( hair dryer ) . The manual operation of the test button also doesn't work...
  14. K

    IEC 61439-1 - Relationship between prospective fault current and diameter of copper wire

    Hi, I am currently reading through the standard IEC 61439-1 - Low-voltage swtichgear and controlgear assemblies - Part 1: General rules, and on Table 14 it is stated the "Relationship between prospective fault current and diameter of copper wire" (see picture attached). I don't understand why...
  15. O

    Strange fault we had yesterday

    I sorted the fault fairly quickly as it happens but only because I'd come across it once before and at the time a few people said it couldn't possibly happen they way I described it, but its happened twice now. Both jobs done by us, full re-wires. The first time was during the 16th edition...
  16. P

    Hotpoint oven fault

    Intermittent fault with a Hotpoint oven .Sometimes comes up to temperature,more often now,it doesn't.Other functions work fine,grill etc.Any thoughts?
  17. P

    Built in oven intermittent fault

    Hi there.We have a Hotpoint electric oven that has started to go wrong.It has a digital display for setting functions,but over the last few months,when we turn the oven on,normally the fan comes on quite strong ,the digital display shows red bars as the heat builds to it required temp.What is...
  18. B

    UK Odd Electrical Fault in bathroom between taps and tiled wall

    Hi there, I’m a new member to the forum and felt like I could do with some additional insight into a fault I came across on a call-out at the weekend. I was called to attend a domestic property where the tenant had mentioned getting a shock when touching a tiled wall and the bath taps. On...
  19. A

    Help needed again pls - Lighting fault tracing

    I need your help please once again in tracing a fault. Am DIY but not clueless. Converting former kitchen into 2 rooms: bathroom and laundry. The room had 24 cheapo ceiling spots, originally tungsten then 240v GU10 LEDs that I am replacing. Circuit spilt into two halves with two gang wall...
  20. ThatCompexDude

    PME fault after moving charger to 3TP board

    Evening all, I have a little conundrum I need to get resolved. I’ve moved an EV charger from a single phase board that was on a 40a breaker and no RCD protection, over to a different 3TP board, on a new 40a Type A RCBO (Single phase) The customer is now reporting that the charger has a PME...

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