Cause of "minus" indication for electric power va | FAQ

FAQ > Energy Saving Supporting Devices > Energy Saving Supporting Devices > Energy Measuring Units > Cause of "minus" indication for electric power value (EcoMonitorPlus/Light).

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No : 22143
Release Date : 2018/08/27 16:41
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Cause of "minus" indication for electric power value (EcoMonitorPlus/Light).

What causes assumed for "minus" display during electric power measuring ?

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FAQ > Energy Saving Supporting Devices > Energy Saving Supporting Devices > Energy Measuring Units

Answer

Following causes are assumed for the error.
1. Wrong orientation of the sensor?
2. 1-side and 3-side of the sensor are reversed?
3. Is connection between P1, P2 and P3, connection of P1 and P3 wrong?
4. Actually current flows in the regenerative direction?

Product Name: Energy Measuring Units

Series: EcoMonitor Plus, EcoMonitorLight