Flawed remote testing.
Flawed remote testing.
Openreach’s remote test equipment used by Zen Internet to test my line, produces results that often aren’t good enough, not fit for purpose. They can check if a line is connected and measure things like speed, noise, and signal strength, but they miss many real problems. The tests only look at the part of the line Openreach owns, not the internet company’s network, so they can’t tell where a slowdown really starts. They also run for just a short time, so random or weather-related faults often go unseen.
One big problem is that these remote tests usually can’t detect high-resistance faults — tiny breaks or bad joints in the copper wire that cause slow speeds or dropouts. These faults might only show up when an engineer visits and uses proper tools. Because of this, many people are told “no fault found” even though their broadband still works poorly.
Zen Internet persists in telling me the line is fine - it is not. Recently Openreach identified two high resistance faults while testing in my home. The one in the DP was fixed, the other between the DP and DSLAM was reported to Openreach but not Zen Internet.
MJ Quinn has used a workaround to this underground high resistance fault below the Openreach cabinet to help a neighbour.
Openreach has known about this high resistance fault for seven years but shows no sign of fixing it.
Zen Internet needs to hold Openreach to account. My contract is with Zen Internet, I am unable to hold Openreach accountable.
The delay in meaningfully addressing my complaint is intolerable.
Zen Internet telling me repeatedly that no fault was found is cynical and not how they like to present themselves.
This high cost broadband is not good value for money in my experience.
27 October 2025
Unprompted review