Check
SiEN04-306D
144
Service Diagnosis
5.1.8 Power Supply Waveforms Check
Check No.10
Measure the power supply waveform between 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)
5.1.9 Inverter Units Refrigerant System Check
Check No.11
[Fig.1]
[Fig.2]
(R17
3
6)
(R1444)
Refrigerant system check
Check for gas leaks.
See the section on insufficient gas
detection.
Conduct the check after operating the
equipment for a sufficient length of time.
Correct the problem.
Conduct vacuum drying.
Replace the refrigerant.
Is
the discharge
thermister disconnected from
the holder?
(R1445)
YES
YES
YES
Is any moisture
found in sight glass.
NO
NO
Содержание ARXS50C2VMB
Страница 109: ...Instruction SiEN04 306D 100 System Configuration ...
Страница 199: ...Outdoor Unit SiEN04 306D 190 Removal Procedure ...
Страница 200: ...SiEN04 306D Others 191 Part 8 Others 1 Others 192 1 1 Test Run from the remote control 192 1 2 Jumper Settings 193 ...
Страница 203: ...Others SiEN04 306D 194 Others ...
Страница 214: ...SiEN04 306D Wiring Diagrams Appendix 205 FTKD18 24 28BVMS ...
Страница 216: ...SiEN04 306D Wiring Diagrams Appendix 207 RKD18 24 28BVMS ...
Страница 217: ...Wiring Diagrams SiEN04 306D 208 Appendix ...