A flickering display, connection problems, or remote reading errors indicate a malfunction. Note: An expired calibration can also affect the accuracy of a meter. However, now when I power it up the remote display is stuck on "Connecting" and won't move past it. Troubleshooting tips / tricks appreciated. Authentication. A faulty electricity meter can quickly lead to problems – from inexplicably high electricity bills to incorrect consumption data. But how can you tell if a meter is actually defective? Which technical abnormalities should you take seriously? And what is the process of replacing a meter? This blog. In this video, we explain how to repair an Optical Power Meter that powers ON but does NOT show any optical power reading. This software is compatible with our Power (and Energy) Meter Consoles and Interfaces, self-contained Power Meters, Fiber Power Meters, Extinction Ratio Meters, Photon Counter, Temperature. Smart metering devices are a vital part of modern utility management, but like any technology, they can sometimes encounter problems.