Daikin ARXG25E3V1B, Руководство по обслуживанию, Страница: 132 / 214

SiBE04-809 Check
Service Diagnosis 121
5.1.8 Power Supply Waveforms Check
Check No.10 Measure the power supply waveform between pins 1 and 2 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)
5.1.9 Inverter Units Refrigerant System Check
Check No.11
[Fig.1] [Fig.2]
Refrigerant system check
Check for gas leaks.
See the section on insufficient gas
detection.
(R8314)
YES
NO
Correct the problem.
Replace the refrigerant.
Is
the discharge
thermistor disconnected
from the holder?