Samsung AC009BNLDCH Service Manual page 3

Contents
4-4-8. When the outdoor unit power is not ON - Initial Diagnosis : 1-phase products ................ 4-63
4-4-9. Indoor/outdoor communication error (2min.) (Error Code : E202) ...................................... 4-65
4-4-10. Communication error between outdoor unit INV ↔ MAIN MICOM (1 min.)
(Error Code: E203) .........................................................................................................................4-67
4-4-11. Outdoor sensor error(Error Code : E221, E231, E251, E320) .................................................. 4-68
4-4-12. Compressor down due to freezing control (Error Code : E403)........................................... 4-69
4-4-13. Pipe blockage error (Error Code : E422) ................................................................................... 4-70
4-4-14. Outdoor unit Fan error (Error Code : E458, E475) ................................................................... 4-71
4-4-15. Compressor starting error / rotation error (Error Code : E461, E467) .................................4-72
4-4-16. Full current error / PFC over-current error (Error Code : E462, E484) ................................4-74
4-4-17. IPM (Over Current) error (Error Code : E464) ...........................................................................4-75
4-4-18. DC LINK over-current / low-voltage error (Error Code : E466)
H/W DC_Link Over Voltage Error (Error Code : E483)
AC Input Voltage Sensor Error (Error Code : E488) ...............................................................4-78
4-4-19. Gas leakage error (Error Code : E554) ...................................................................................... 4-80
4-4-20. Others ............................................................................................................................................ 4-82
5. PCB Diagram and Parts List ........................................................................................ 5-1
5-1. Indoor Unit Main PBA ...................................................................................................................................... 5-1
5-2. Indoor Unit Display PBA ............................................................................................................................... 5-19
5-3. Indoor Unit Sub PBA ...................................................................................................................................... 5-25
5-4. Outdoor Unit Main PBA ................................................................................................................................ 5-27
5-5. Outdoor Unit Inverter PBA ........................................................................................................................... 5-31
5-6. Outdoor Unit EMI PBA ...................................................................................................................................5-36
6. Wiring Diagram ........................................................................................................... 6-1
6-1. Indoor Unit ......................................................................................................................................................... 6-1
6-2. Outdoor unit ...................................................................................................................................................... 6-9
7. Reference Sheet ...........................................................................................................7-1
7-1. Index for Model Name ......................................................................................................................................7-1
7-1-1. Indoor Unit........................................................................................................................................... 7-1
7-1-2. Outdoor Unit ....................................................................................................................................... 7-2
7-1-3. Panel .................................................................................................................................................... 7-3
7-2. Refrigerating Cycle Diagram ......................................................................................................................... 7-4