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fault

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  1. A

    Led strip light fault

    Hi Guys I've fitted 12m of LED strip light 9.6watt/meter which equates to 115w. I've used a 150w driver. The lights where checked before and after fitted OK but had not been on for a long period of time. They seem to be turning off by itself now having been left on for a longer time. If I turn...
  2. T

    Fault finding with a multimeter

    Hi, I’m just wondering what sort of readings I can expect for faults on a multimeter? I’ve only ever used a multifunction tester. What readings can I expect for a short cct fault or a polarity fault? I know that open cct will be 0L/1, cheers
  3. goodwell

    Riso fault Power-One Aurora

    I have a small Pv farm 5KW. Some months ago inverter started to measure low Riso<1MΩhm (0.8). I tried to test each string alone and with one the inverter read good Riso and started normally. The other had very low Riso. I tried to check the two pv strings but both have same Voc 340Volts. So I...
  4. G

    A21 fault on Worcester boiler

    My boiler is still working fine and my new Hive thermostat works manually (just not on the app). The boiler regardless of what’s happening still shows the A21 fault which I believe is an RF signal fault? Any ideas?
  5. C

    Neutral fault with LED light fixtures

    Hi everyone, I'm new to the industry(Qualified a few months ago). I have a client with 6 LED light fixtures on the same circuit/breaker, 3 are working fine and 3 seem to have a neutral fault(230v live to earth,+/-90v neutral to earth and +/-130v live to neutral). The rest of the installation...
  6. The apprentice

    Surge protection/ark fault detection

    Hi there just a few questions I have to do an install of a small ware house that was built in 2021 January (finished) client that is going into the warehouse specialises in laboratory. Now he has a lot of 3 phase machinery like mixers and small hoists which are all 3 phase the building adjacent...
  7. M

    fault on solar panels

    I'm in need of help with my SMA Sunny-Boy solar panels. Model-SB4000TL-20. Fault code-35 Isolation resistance. Only happens when both DC lines are running at once. Left DC running on its own works fine. Right DC running on its own works fine. Both DC running together doesn't work - isolation...
  8. D

    Central heating fault.

    So a customer changed his own stat and wired it wrong and blew 3/4 fuses. Then heating was stuck on so I changed the programmer and this resolved the problem so I think the short circuit had damaged programmer. Now 5 days later the the hot water isn’t heating haven’t been yet. All I can guess...
  9. T

    Device randomly trips ARC Fault Breaker

    if my brand new fridge is connected to a circuit with an ARC Fault breaker, and if the circuit has ONLY ONE OUTLET on it (the one to which the fridge is connected), then what are the most likely causes of RANDOM arc fault trips. It'll stay on for a week...then all of a sudden...it'll trip (even...
  10. littlespark

    UFH actuator fault. Causes?

    What can do this to an actuator? Overvoltage? Wear and tear? Stuck pin on the valve? This is in the German built kit house I’ve done work in before. The actuator controller is powered separately to the central heating boiler.. each room has a stat, which then opens one or more actuators for...
  11. B

    Fault codes on a Samsung side by side fridge freezer model RH57H8030SL?

    Anyone know how to access the fault codes on a Samsung side by side fridge freezer model RH57H8030SL? The user manual makes no reference to them or the location of the various temperature sensors. (The fridge section is permanently freezing). Thanks for any help you can give.
  12. V

    Maddening MCB Tripping fault

    Hate these. Been called out to troubleshoot a tripping MCB. It's a house I've been to before and I know the wiring is a real dogs diner, but anyway. Got an MCB that's tripping out with no appliances plugged in. The sockets themselves are not in a great state, however continuity and insulation...
  13. HappyHippyDad

    An interesting fault finding job!

    1pm, quite happy doing my planned job. Builder then asks if I could go out to another job where the top lights have all tripped out. I like peace and quiet when fault finding, plus I like to plan it in advance and always first thing in the morning as you know it can get pretty complicated and I...
  14. littlespark

    Strange intermittent fault on 13 pin socket

    my caravan isn’t lighting up tail lights, but all other lights work fine. However… while testing, I got a strange sequence of events. I’ll also point out that the 13 pin socket has the left and right tail lights on different pins, so whatever it is, is affecting both sides. Ok.. with...
  15. Raptor0014

    Weird fault that no-one can work out the issue.

    Evening all. Been at a property the last couple of days that had suffered damage due to a surge. I got the power back on all circuits apart from the upstairs lights as it immediately trips. Long story short I broke the circuit down and re-added room by room to narrow down the problem area...
  16. S

    Curious fault after recent move

    Hi All Let me start by saying I have my 2365 level 3 but never worked in the industry so my knowledge is limited. My partner and I recently purchased and moved in to our first home Since moving in we've had a strange electrical issue and I'd appreciate some advice about what could be causing...
  17. Highspark24/7

    Megger 1721 fault help

    I have a megger 1721 and occasionally when I’m doing testing a large amount of circuits the continuity locks on even with no leads attached any one had anything similar
  18. R

    Solar StecaGrid 2010+ stays on sleep mode ? No fault messages and all panels generating. Any idea's

    StecaGrid 2010 remains on sleep mode, fuses good, panels generating and no fault messages. Any suggestions
  19. H

    Dumb questions about PEN fault and solution

    Sorry if these questions are dumb, but I thought I'd ask you guys as I'm brand new to this field. I was watching this video from John Ward and had a few questions about it. 1. In a TN-C-S system, if there was a PEN fault before the service head, the current would go through the protective...
  20. P

    11kv pole loop fault, over voltage ?

    Hi first post, I'm a pretty well experienced electrician of 15 years now working solely in Agricultural electrical We have a lot of voltage sensitive equipment on our farms which run auto ventilation and alarms ect Today we had a huge bang from the 11kv pole transformer on one of our sites...

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