Tr
oubleshooting
Page 101
5.14 Zero speed protection of compressor/ outdoor fan or lack of phase of compressor or
outdoor fan/Compressor speed malfunction diagnosis and solution
Recommended parts to prepare:
• Wiring mistake
• Faulty fan assembly faulty
• Faulty fan motor
• Faulty PCB
• Faulty compressor
Troubleshooting and repair:
Check the wiring between the PCB
and compressor.
Check the wiring between the PCB
and compressor.
Is it improperly wired?
Is it improperly wired?
Ensure proper connections or replace
the wires and connectors.
Ensure proper connections or replace
the wires and connectors.
YES
NO
Check the outdoor fan and the
outdoor unit ventilation.
Check the outdoor fan and the
outdoor unit ventilation.
Is it functioning
properly?
Is it functioning
properly?
Please refer to “Fan Speed
Malfunction”
Please refer to “Fan Speed
Malfunction”
NO
Check the compressor
resistance values.
Check the compressor
resistance values.
YES
Are they within
acceptable parameters?
Are they within
acceptable parameters?
Replace the compressor.
Replace the compressor.
NO
Replace the outdoor PCB.
Replace the outdoor PCB.
YES
Содержание MISSION2 3D INVERTER Series
Страница 1: ...MISSION2 3D INVERTER SERIES SM_MISSION2 GA _60R410A_3D INVERTER_US_NA_171121 2017 SERVICE MANUAL...
Страница 2: ......
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Страница 11: ...Specifications Page 7 MOB01 09HFN1 MW0W MOB01 12HFN1 MV0W MOCA01 18HFN1 MT0W...
Страница 12: ...Specifications Page 8 MOD01 23HFN1 MT0W...
Страница 15: ...Specifications Page 11 PCB board of MOD01 23HFN1 MT0W...
Страница 16: ...Specifications Page 12 IPM board of MOD01 23HFN1 MT0W...
Страница 101: ...Troubleshooting Page 97 Remark Measure the DC voltage between P and N port The normal value should be around 310V...