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  1. pollensa1946

    Hi, need some help with a MK Sentry Consumer Unit problem.

    I appear (so far) to have solved this. There were 2 x SPD 4-way strips in the power supply circuit for the computer rig. The kind that have a green light indicating the SPD function is operational and a red light indicating the power is on. On one of them the green was very dim and red...
  2. pollensa1946

    Hi, need some help with a MK Sentry Consumer Unit problem.

    Thanks, good advice. I just spent a rainy w/e investigating this in depth... Can a Surge Protect Device (4-way extension lead) cause RCD tripping. After collating lots of RCD trips I established that it only happens when my computer rig is powered up. Sometimes powering up the computer trips...
  3. pollensa1946

    Hi, need some help with a MK Sentry Consumer Unit problem.

    Can a Surge Protect Device cause RCD problems? This problem has become so annoying that I have spent a rainy w/e carefully investigating, collating and comparing my findings with past experience, and I am now doubting my initial analysis. Problem only ever occurs when my computer rig is...
  4. pollensa1946

    Hi, need some help with a MK Sentry Consumer Unit problem.

    Hi...great forum, looking for some help... I have a MK Sentry Consumer Unit box, fitted in my home, normal residential load, around 1984, containing a 4-module LN 5780 ELCB 80A 30ma. This is regularly tripping when a new load is applied, for example switching a random light or power load on...

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