Power Supply Waveforms Check; Check For Bp Unit - Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual

Troubleshooting for BP Unit
6.6

Check for BP Unit

6.6.1 Power Supply Waveforms Check

Check No.14 Measure the power supply waveform between the pins 1 and 3 on the terminal board, and
check the waveform disturbance.
[Fig.1]
382
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.2]
SiBE18-821_C
Troubleshooting