• IMPORTANT: Please note that nobody on this forum should be seeking from or providing advice to those who are not competent and / or trained and qualified in their field (local laws permitting). There is a discussion thread on this global industry-wide matter HERE. This also has more information about the warning with regards to sharing electrical advice in some countries. By using this forum you do so in agreement to this.

fault

  1. 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...
  2. 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...
  3. D

    USA Breaker keeps tripping, potential ground fault?

    Hi all. We have a 120v 20 amp circuit to an accessory dwelling with a run of about 75' of direct bury #12. The breaker keeps tripping even when there is nothing connected to the circuit. What I've done so far: Checked all connections in the circuit(outlets, etc) Then, disconnected the...
  4. littlespark

    Fire alarm panel. Don’t recognise fault code

    The big stately home I’ve been working in has an EMS 5096 alarm system with over 100 detectors and 3 (that I know of) panels. All detectors are battery powered and radio back to its closest panel. All panels are also radio linked together. They get the odd fault code which is usually a flat...
  5. buzzlightyear

    What is it on this fault

    This for an apprentice 32 amp mcb /63amp RCD 1) no power to the sockets 2) installation resistance all good. 3) contunuty good. 4) no loses conections. 5) mcb not tripped 6)rcd not tripped. 7) all mains on. What is it.
  6. G

    CDA Wine Cooler fault

    Hi, my CDA FWC303 wine fridge is knackered. The compressor doesn't start and I've traced it to the PTC which I plan to replace and have identified the required spare part. However, the thermal overload protector has a continuity reading of 3.2 ohms between terminals which although still pretty...
  7. littlespark

    Central locking fault

    Anyone know how to bypass central locking on this vehicle? Also, how to start it without a key? Asking for a friend. 🙂😂🤣
  8. A

    Fault on Ring final circuit

    Please advise what I should test / check next. My usual qualified electrician who did all of the work here is in Ireland for 4 weeks and not contactable. I need to fix this asap. Ring final circuit tripping. I am not clueless and I have some test gear. Can fully isolate the supply with an...
  9. timhoward

    Strange fault, any bright ideas?

    A silly fault in a circuit only 4m long is currently eluding me! This is ECIR remedials of a landlords supply in a block of flats. Circuit 2 = hall heater (just one). IR L+N > E of 1.23Mohms. It's a very short circuit. 1 - Cable from CU up to Controller FCU. (about 50cm) 2 - Cable from...
  10. K

    UK RCBO indicator , short circuit or earth fault.

    Anyone know of an RCBO manufacturer, apart from Chint,that includes an indicator in the RCBO to indicate if the trip is a earth fault or an overload.
  11. J

    Fault with trouser press or house?

    Hi I have a Corby 7700 trouser press it is a 220w model, 3 years 10 month old. On Friday it stopped working, so I took it to the garage ready for the tip. This morning I plugged it in, and it worked. I then Tried it in every socket in the house and nothing, the house has 4 circuits, a...
  12. G

    Fault finding weird issue

    Hi all, Gone to look at a intermittent ground floor sockets fault today, the RCBO was tripping at random times with no pattern. Nailed down a potential leg between 2 sockets ( 0.01 ohms on IR test) and temporarily replaced it to get the radial circuit (2.5mm on 20a B curve) to get it back on...
  13. samn420

    RCDs for fault protection in adibatic equasion

    Hi all Was looking in to the adibatic equasion as our company will not let us add on to a Ring circuit with 1mm cpc.. I want to give some evidence as to why it may not be an issue. My question is; If the circuit is protected by an rcd can I replace fault current in the adibatic equasion with...
  14. G

    VFD -under volt at source fault

    So earlier this year I obtained a large machine with a couple of 3 phase motors in it, and the rest single phase. I bought a VFD, correctly wired it up, and while the machine ran with some functions, it also reported "undervolt at source" I had bought a VFD with a maximum output of 380 volts...
  15. happysteve

    Omission of fault (and overload) protection for inverter

    I don't "do" solar, but I've been asked to comment on an aspect of a new domestic solar installation by others. There is no overload or fault protection, except for the service cut-out fuse (unknown size, assume 80A). TN-C-S. Installation is as follows (have only seen a photo of part of it...
  16. S

    Domestic PEN Fault Detection on Whole Install?

    Hi All, I understand the requirement for PEN fault detection on EV chargers for TN-C-S installs (or to place an earth rod). However, when I was looking for something else entirely I came across this single-phase 100A PEN fault detector. What would be the use case for this? Would you ever need...
  17. S

    Light circuit fault. 230v on l and n no light working

    Hi There is a lighting circuit fault in a property with the downstairs lighting circuit. I have tested the voltage and there is 230v on both line and neutral conductors going to the light pendnat although the pendant (any pendant) isnt showing light . no changes have been made to the lighting...
  18. MrGwythers

    Ev charger rccb fault

    Hello can anyone shed some light on this fault, we have a supply into 63A 100ma rccbs that feed matte for ev chargers. The rccbs keep losing a phase the first one lost L1 on rccb outgoing side, we've replaced that one now another 3 out of 5 rccb have lost L2 on all 3 faulty rccbs the first rccb...
  19. JimLongDone

    EICR - Shallow Back Box Depth a Fault?

    Hello, My house has 25mm back boxes throughout, but I’ve noticed the previous owner has installed sockets and switches that seem to suggest/specify 35mm minimum. The sockets and switches do still fit flush on the wall, just that it is incredibly tight behind so the wiring has been routed...
  20. Lainan01

    Trainee How does fault current loop? "Earth Fault Loop"

    Confused as to what the earth fault loop is. I'm aware it's the path that fault current takes (Line-Earth) but how many times does fault current "loop"?
This website was designed, optimised and is hosted by Untold Media. Operating under the name Untold Media since 2001.
Back
Top