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SiENBE04-401A
Troubleshooting
Service Diagnosis
133
4.19 Output Over Current Detection
Remote control
Display
L5
Method of
Malfunction
Detection
An output over-current is detected by checking the current that flows in the inverter DC section.
Malfunction
Decision
Conditions
A position signal error occurs while the compressor is running.
A speed error occurs while the compressor is running.
An output over-current input is fed from the output over-current detection circuit to the
microcomputer.
The system will be shut down if the error occurs 255 times.
Clearing condition: Continuous run for about 10 minutes (normal)
Supposed
Causes
Over-current due to defective power transistor
Over-current due to wrong internal wiring
Over-current due to abnormal supply voltage
Over-current due to defective PCB
Error detection due to defective PCB
Over-current due to closed stop valve
Over-current due to compressor failure
Over-current due to poor installation condition
Содержание ARKH20CAVMB
Страница 19: ...List of Functions SiENBE04 401A 10 List of Functions ...
Страница 20: ...SiENBE04 401A Specifications 11 Part 2 Specifications 1 Specifications 12 1 1 Cooling Only 12 1 2 Heat Pump 20 ...
Страница 45: ...Specifications SiENBE04 401A 36 Specifications ...
Страница 81: ...Control Specification SiENBE04 401A 72 Function and Control ...
Страница 111: ...Instruction SiENBE04 401A 102 System Configuration ...
Страница 155: ...Check SiENBE04 401A 146 Service Diagnosis ...
Страница 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 401A 216 Removal Procedure ...
Страница 226: ...SiENBE04 401A Others 217 Part 8 Others 1 Others 218 1 1 Test Run from the Remote Control 218 1 2 Jumper Settings 219 ...
Страница 229: ...Others SiENBE04 401A 220 Others ...
Страница 239: ...Wiring Diagrams SiENBE04 401A 230 Appendix ...