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Troubleshooting
SiENBE04-401A
110
Service Diagnosis
4.2
Indoor Unit PCB Abnormality
Remote control
Display
A1
Method of
Malfunction
Detection
Evaluation of zero-cross detection of power supply by indoor unit.
Malfunction
Decision
Conditions
When there is no zero-cross detection in approximately 10 continuous seconds.
Supposed
Causes
Faulty indoor unit PCB
Faulty connector connection
Troubleshooting
Note:
Connector Nos. vary depending on models.
Connector connection check
(note).
YES
Is it normal?
NO
Correct connections.
Replace PCBs.
(R1400)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Model Type
Connector No.
Wall Mounted Type 20 / 25 / 35 class Terminal strip~Control PCB
Содержание FTKS20CVMB
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...