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SiUS04-924
Troubleshooting
Service Diagnosis
99
Troubleshooting
Check No.07
Refer to P.109
Check No.09
Refer to P.110
Note:
Refer to “1.3 Application of Silicon grease to a power transistor and a diode bridge” on P 185.
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
(R9399)
NO
Slightly dirty
Malfunctioning
Too dirty
Functioning
NO
YES
Turn off the power and turn it on
again to get the system started.
Check the radiation fin
temperature.
Check No. 07
Check the installation condition.
NO
YES
YES
Radiation fin
dirty?
Above its stop
level?
Check No. 09
Check the outdoor unit fan or
related.
Error displayed
again?
Has PCB been
replaced?
Check if the silicon grease
applied properly on the
radiation fin. If not, apply it
(
*
). (Note 1)
Check the power transistor
and fin for looseness. If they
are found to fit tight, replace
the PCB or the power
transistor.
Replace the outdoor unit
PCB.
Replace the fan motor.
Correct the connectors and
fan motor leads.
Clean up the radiation fin.
*
Silicon grease
Part No.: 1172698
Summary of Contents for FTXS30HVJU
Page 1: ...SiUS04 924 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type H Series ...
Page 8: ...SiUS04 924 List of Functions 1 Part 1 List of Functions 1 List of Functions 2 ...
Page 10: ...SiUS04 924 Specifications 3 Part 2 Specifications 1 Specifications 4 ...
Page 50: ...Control Specification SiUS04 924 Function and Control 43 ...
Page 53: ...Instruction SiUS04 924 46 Operation Manual 2 Instruction 2 1 Remote Controller ...
Page 54: ...SiUS04 924 Instruction Operation Manual 47 operation ...
Page 55: ...Instruction SiUS04 924 48 Operation Manual 2 2 AUTO DRY COOL HEAT FAN Operation ...
Page 56: ...SiUS04 924 Instruction Operation Manual 49 ...
Page 58: ...SiUS04 924 Instruction Operation Manual 51 fins fins fins fins angles Inside ...
Page 60: ...SiUS04 924 Instruction Operation Manual 53 2 5 INTELLIGENT EYE Operation fins above ...
Page 61: ...Instruction SiUS04 924 54 Operation Manual ...
Page 62: ...SiUS04 924 Instruction Operation Manual 55 2 6 POWERFUL Operation ...
Page 63: ...Instruction SiUS04 924 56 Operation Manual 2 7 OUTDOOR UNIT QUIET Operation ...
Page 64: ...SiUS04 924 Instruction Operation Manual 57 2 8 ECONO Operation ...
Page 65: ...Instruction SiUS04 924 58 Operation Manual 2 9 TIMER Operation ...
Page 66: ...SiUS04 924 Instruction Operation Manual 59 ...
Page 69: ...Instruction SiUS04 924 62 Operation Manual ...
Page 70: ...SiUS04 924 Instruction Operation Manual 63 ...
Page 71: ...Instruction SiUS04 924 64 Operation Manual ...
Page 72: ...SiUS04 924 Instruction Operation Manual 65 3P228444 2B ...
Page 193: ...SiUS04 924 187 Appendix Part 9 Appendix 1 Piping Diagrams 188 2 Wiring Diagrams 189 ...