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SiUS04-702
Troubleshooting
Service Diagnosis
163
Troubleshooting
Check No.07
Refer to P.174
Check No.08
Refer to P.174
Check No.13
Refer to P.177
Fully open the stop valve.
Keep on using as it is
(monitor).
Check the electricals'
connectors and other
fittings.
∗
Inverter checker
Part No.: 1225477
Correct the power supply or
replace the SPM.
(Replace the outdoor unit
PCB.)
Replace the SPM.
(Replace the outdoor unit
PCB.)
Correct the power supply.
Replace the compressor.
(R4705)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Stop valve fully open?
NO
YES
∗
An output over-current may result from wrong internal wiring. If the wires have been disconnected and
reconnected for part replacement, for example, and the system is interrupted by an output over-current,
take the following procedure.
Error again?
NO
YES
NO
YES
Voltage as rated?
YES
NO
Short-circuit
or breakage between
compressor's coil
phases?
NO
YES
Normal?
YES
NO
Any LED off?
Turn off the power and turn it on
again to get the system started.
See if the same error occurs.
Turn off the power and disconnect
the harnesses U, V and W.
Monitor the supply voltage,
discharge and suction pressures,
and other factors for a long term.
Possible causes
z
Instantaneous supply voltage
drop
z
Compressor motor overloaded
z
Contact-induced electrical short-
circuit
Check with the inverter checker (
∗
).
Turn off the power, and reconnect
the harnesses. Turn on the power
again and get restarted.
Check the supply voltage.
C
heck No.
13
Check the power transistor.
C
heck No.
08
Check the discharge pressure.
C
heck No.
07
Check the installation condition.
Summary of Contents for FTXS09DVJU
Page 1: ...SiUS04 702 Applied Models z Inverter Pair Heat Pump Inverter Pair Wall Mounted Type D Series...
Page 12: ...SiUS04 702 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 14: ...SiUS04 702 Specifications 3 Part 2 Specifications 1 Specifications 4...
Page 76: ...SiUS04 702 Instruction Operation Manual 65 2 2 FTXS09 12DVJU 2 2 1 Names of Parts...
Page 77: ...Instruction SiUS04 702 66 Operation Manual...
Page 78: ...SiUS04 702 Instruction Operation Manual 67...
Page 79: ...Instruction SiUS04 702 68 Operation Manual 2 2 2 Preparation before Operation...
Page 80: ...SiUS04 702 Instruction Operation Manual 69...
Page 81: ...Instruction SiUS04 702 70 Operation Manual...
Page 82: ...SiUS04 702 Instruction Operation Manual 71 2 2 3 AUTO DRY COOL HEAT FAN Operation...
Page 83: ...Instruction SiUS04 702 72 Operation Manual...
Page 84: ...SiUS04 702 Instruction Operation Manual 73 2 2 4 Adjusting the Airflow Direction...
Page 85: ...Instruction SiUS04 702 74 Operation Manual...
Page 86: ...SiUS04 702 Instruction Operation Manual 75 2 2 5 POWERFUL Operation...
Page 87: ...Instruction SiUS04 702 76 Operation Manual 2 2 6 OUTDOOR UNIT QUIET Operation...
Page 88: ...SiUS04 702 Instruction Operation Manual 77 2 2 7 HOME LEAVE Operation...
Page 89: ...Instruction SiUS04 702 78 Operation Manual...
Page 90: ...SiUS04 702 Instruction Operation Manual 79 2 2 8 INTELLIGENT EYE Operation...
Page 91: ...Instruction SiUS04 702 80 Operation Manual...
Page 92: ...SiUS04 702 Instruction Operation Manual 81 2 2 9 TIMER Operation...
Page 93: ...Instruction SiUS04 702 82 Operation Manual...
Page 94: ...SiUS04 702 Instruction Operation Manual 83 2 2 10 Care and Cleaning...
Page 95: ...Instruction SiUS04 702 84 Operation Manual...
Page 96: ...SiUS04 702 Instruction Operation Manual 85...
Page 97: ...Instruction SiUS04 702 86 Operation Manual...
Page 98: ...SiUS04 702 Instruction Operation Manual 87...
Page 99: ...Instruction SiUS04 702 88 Operation Manual...
Page 100: ...SiUS04 702 Instruction Operation Manual 89 3P141693 1K...
Page 101: ...Instruction SiUS04 702 90 Operation Manual 2 3 FTXS15 18 24DVJU 2 3 1 Names of Parts...
Page 102: ...SiUS04 702 Instruction Operation Manual 91...
Page 103: ...Instruction SiUS04 702 92 Operation Manual...
Page 104: ...SiUS04 702 Instruction Operation Manual 93 2 3 2 Preparation before Operation...
Page 105: ...Instruction SiUS04 702 94 Operation Manual...
Page 106: ...SiUS04 702 Instruction Operation Manual 95...
Page 107: ...Instruction SiUS04 702 96 Operation Manual 2 3 3 AUTO DRY COOL HEAT FAN Operation...
Page 108: ...SiUS04 702 Instruction Operation Manual 97...
Page 109: ...Instruction SiUS04 702 98 Operation Manual 2 3 4 Adjusting the Airflow Direction...
Page 110: ...SiUS04 702 Instruction Operation Manual 99...
Page 111: ...Instruction SiUS04 702 100 Operation Manual 2 3 5 POWERFUL Operation...
Page 112: ...SiUS04 702 Instruction Operation Manual 101 2 3 6 OUTDOOR UNIT QUIET Operation...
Page 113: ...Instruction SiUS04 702 102 Operation Manual 2 3 7 HOME LEAVE Operation...
Page 114: ...SiUS04 702 Instruction Operation Manual 103...
Page 115: ...Instruction SiUS04 702 104 Operation Manual 2 3 8 INTELLIGENT EYE Operation...
Page 116: ...SiUS04 702 Instruction Operation Manual 105...
Page 117: ...Instruction SiUS04 702 106 Operation Manual 2 3 9 TIMER Operation...
Page 118: ...SiUS04 702 Instruction Operation Manual 107...
Page 119: ...Instruction SiUS04 702 108 Operation Manual 2 3 10 Care and Cleaning...
Page 120: ...SiUS04 702 Instruction Operation Manual 109...
Page 121: ...Instruction SiUS04 702 110 Operation Manual...
Page 122: ...SiUS04 702 Instruction Operation Manual 111 2 3 11 Troubleshooting...
Page 123: ...Instruction SiUS04 702 112 Operation Manual...
Page 124: ...SiUS04 702 Instruction Operation Manual 113...
Page 125: ...Instruction SiUS04 702 114 Operation Manual 3P141693 2K...
Page 191: ...Check SiUS04 702 180 Service Diagnosis...
Page 293: ...Others SiUS04 702 282 Others...
Page 305: ...SiUS04 702 vi Index...