www.megger.comMPCC23011Operation 4.1.1 Operation1. Plug the instruments into the socket and press the FUNC button to select the Voltage function. 2. Voltage between Phase and Neutral will be shown on the display. Pressing the F2 button will cycle to the measured frequency and the units firmware and serial number. Pressing F1 cycles back to voltage. 2.1. If the socket wiring is correct and the measured earth touch voltage is less than 50 V, a green bar indicates all parameters are correct.2.2. If an error occurs due to incorrect wiring or a high voltage detected on the earth, the bar will turn red and an audible alarm will sound. The unit will display the failed parameter on the screen (examples in Fig 2 and 3). Fig. 1 Fig. 2 Fig. 3 Code displayedWiring error (bar is Red and sound alarm) SolutionL-NPhase - Neutral Reverse Correct the socket wiringL-NPhase - Earth Reverse Correct the socket wiringL-PEOpen Neutral Connect Neutral wireNO PENo Earth Check Earth connectionVT >50VTouch Voltage >50VDangerous Voltage on Earth4.2 RCD (residual current device)This feature carries out an RCD test, with both measured tripping times and contact voltage results displayed.4.2.1 Test mode: x1/2 IΔn Test with 15 mA x1 IΔn Test with 30 mA x5 IΔn Test with 150 mA AUTO Test sequence x1/2 0° and 180° x1 0° and 180° x5 0° and 180°
