Troubleshooting
SiUS04-904
Service Diagnosis
113
4.10.2 15/18/24 Class
Remote
Controller
Display
E8
Method of
Malfunction
Detection
An input overcurrent is detected by checking the input current value being detected by CT with the
compressor running.
Malfunction
Decision
Conditions
The following CT input with the compressor running continues for 2.5 seconds.
CT input : Above 20 A
The system is shut down if the error occurs 16 times.
Clearing condition : Continuous run for about 5 minutes (normal)
Supposed
Causes
Overcurrent due to compressor failure
Overcurrent due to defective power transistor
Overcurrent due to defective inverter main circuit electrolytic capacitor
Overcurrent due to defective outdoor unit PCB
Error detection due to outdoor unit PCB
Overcurrent due to short-circuit
Summary of Contents for FTXS09HVJU
Page 1: ...SiUS04 904 Applied Models Inverter Pair Heat Pump Inverter Pair Wall Mounted Type H Series...
Page 9: ...Safety Considerations SiUS04 904 viii Safety Considerations...
Page 10: ...SiUS04 904 List of Functions 1 Part 1 List of Functions 1 Functions 2...
Page 72: ...Control Specification 15 18 24 Class SiUS04 904 62 Function and Control...
Page 77: ...FTXS09 12HVJU SiUS04 904 66 Operation Manual...
Page 78: ...SiUS04 904 FTXS09 12HVJU Operation Manual 67...
Page 83: ...FTXS09 12HVJU SiUS04 904 72 Operation Manual is no longer displayed on the LCD...
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Page 85: ...FTXS09 12HVJU SiUS04 904 74 Operation Manual...
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Page 87: ...FTXS09 12HVJU SiUS04 904 76 Operation Manual 3P232717 1C...
Page 90: ...SiUS04 904 FTXS15 18 24HVJU Operation Manual 79 is no longer displayed on the LCD...
Page 91: ...FTXS15 18 24HVJU SiUS04 904 80 Operation Manual...
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Page 95: ...FTXS15 18 24HVJU SiUS04 904 84 Operation Manual Do not hit or forcefully push the operation...
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Page 97: ...FTXS15 18 24HVJU SiUS04 904 86 Operation Manual is no longer displayed on the LCD...
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