Power Supply Waveform Check - Daikin 3MKS50E3V1B Service Manual

Check
8.5

Power Supply Waveform Check

Check No.11 Measure the power supply waveform between No. 1 and No. 2 on the terminal board, and check
the waveform disturbance.
[Fig.1]
328
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]
(R1736)
SiBE121135
(R1444)
Service Diagnosis