Daikin FUYP125BV1 [295/397] Indoor unit checking the power supply wave form

Daikin FUYP100BV1 [295/397] Indoor unit checking the power supply wave form
ESiEN02–01A Additional Checks for Troubleshooting
Part 3 Troubleshooting 3–67
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5
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5.3 Indoor Unit: Checking the Power Supply Wave Form
Checking To check the power supply wave form, proceed as follows:
Step Action
1 Measure the power supply wave form between pin 1 and 3 of X1M for the outdoor units or
between pin 1 and 3 of X2M for the indoor units.
2 Check whether the power supply wave form is a sine wave:
3 Check whether there is wave form disturbance near the zero cross:
4 Adjust the supply voltage.

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