fault

  1. J

    Omnik Inverter throwing Relay Check Fail Fault

    Have a fault reading; Relay check fail. Done some research and replaced the x2 check relays with quality components. Still have the same fault sadly. Any thoughts ?
  2. HappyHippyDad

    This fault has me confused!

    I rather foolishly booked in a fault finding job in a 2 hour slot thinking I could solve it quickly, I couldn't! It has me confused, although I haven't let myself slow down yet and focus so you guys may point out something obvious. It is an intermittent tripping MCB on a 32A ring ciruit...
  3. M

    UK What sequence to do when doing fault finding (AM2)

    Hi everyone just to let everyone know that I did my AM2 last week and I only failed on the fault finding part. I was very confident before going into the fault finding test but I lost my way and the pressure got to me. I'm so chuffed that I pass everything else. Just to explain what the test...
  4. L

    411.8.3 Requirement for Fault Protection

    Where fault protection is provided by an RCD, the product of the rated residual operating current (IΔn) in amperes and the earth fault loop impedance in ohms shall not exceed 50 V.
  5. R

    Short Circuit Fault On Honeywell Flex 100 alarm

    Hey, We are putting in a Honeywell flex alarm. It's all wired in (following the manual). The problem is that all the sensors are coming up as having a short circuit and I can't work out why. I've wired it up with my friend (who is an electrician) and we really can't work out the problem...
  6. P

    The apollo advanced mx pro panel is showing an error that a smoke detector is faulty but it seems to be blinking properly.

    The detector is working properly. We have checked it physically. But the pannel is showing fault in that detector. Please give me a solution
  7. M

    Earth fault on a TN-S system

    So here is the situation 22kV/415V delta-star transformer with neutral point earthed on secondary Downstream breaker of transformer 630A with earth fault setting 0.2xIn @ 100ms This supplues a number of outgoing loads with respective 50A breakers which only have thermal and magnetic settings. An...
  8. samsingh

    Fault find (Electrical condition report) or (Electrical Installation certificate)

    Hi guys, I have carried out some testing on a existing domestic installation, I was finding a low IR Result on a lighting circuit. I identified and rectified the fault. I am going to carry on the with the testing on the weekend and will be doing the paperwork for my Testing on the install I just...
  9. Bobby34

    MFT1552 fault?

    Hi all, I was wondering if anybody has come across this fault before that I seem to be getting with my Megger MFT1552. When I measure the voltage it reads around 260V (iv tried it in a few different properties). Then if I switch it to the RCD auto test or any of the RCD individual tests it...
  10. Strima

    XVision HD Pro CCTV Fault

    I have a customer who has a XVision HD Pro CCTV system that now fails to boot. It's a few years old and I have cleaned a lot of dust out of the system. It will only get to 99% on the power up screen then dumps out and cycles through it's start up routine. I have replaced the MB button battery...
  11. S

    USA Havin random breaker fault issues with my home where random circuits trip breaker with no pattern .

    So bought my house in june . When i moved in I hooked ac window unit in my bedroom it tripped the afci breaker for that circuit so I temporarily ran extension cord from spare room to my bedroom to solve the issue . After a week i decided to try hook ac up normally again . Never tripped breaker...

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