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Troubleshooting
SiUS04-924
94
Service Diagnosis
Troubleshooting
Check No.12
Refer to P.111
(R9293)
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
YES
Current
(guideline)
2 sec
Time
NO
NO
YES
YES
NO
YES
NO
YES
NO
Turn off the power and turn it on
again.
Check No. 12
Check the capacitor voltage.
Check with the inverter checker (
*
).
Measure the rectifier input voltage.
Get the system started.
Turn off the power. Disconnect the
harnesses U, V and W.
Turn off the power and reconnect
the above harnesses. Then turn on
the power again and get the system
restarted.
Compressor
running?
DC325±50V?
Any LED off?
*
Running
current as shown at right
with relay cable 1 or 2?
Voltage within
the allowable range
(Supply voltage±15%)?
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Replace the outdoor unit
PCB.
Check the supply voltage.
Replace the compressor.
Capacitor charged when
the indoor unit or outdoor
unit main relay turns on
Rising with increasing
frequency
Correct the power supply or
replace the PM1.
(Replace the outdoor unit
PCB.)
*
Inverter checker
Part No.: 1225477
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 ...