Daikin RMXS-L Series, Руководство по обслуживанию

Страница: 191 / 250

SiUS181305E Troubleshooting for Branch Provider (BP) Unit
Troubleshooting 182
6.6 Check for Branch Provider (BP) Unit
6.6.1 Power Supply Waveforms Check
Check No.11
Measure the power supply waveform between the pins 1 and 3 on the terminal board, and check
the waveform disturbance.

Check to see if the power supply waveform is a sine wave (Fig.1).

Check to see if there is waveform disturbance near the zero cross (sections circled in Fig.2)
Fig.1 Fig.2