Service manual
30
10.7
Operation lamp off and Timer lamp flashes
Operation lamp off and Timer lamp flashes
The voltage of power supply is too low (less than 187V).
No
Indoor PCB is defective.
After changing the main control board, check if the failure realease.
Power supply fault.
No
Outdoor unit fault (such
as the compressor).
10.8
Operation lamp on and Timer lamp flashes
EEROM error, indoor PCB is defective.
10.9
Operation lamp flashes, Timer lamp flashes .
This is alarm signal when the main chip can’t detect over-zero signal. When such failure occurs, the main control
board must have fault.
Summary of Contents for 38KCR009713
Page 9: ...Service manual 6 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 11: ...Service manual 8 5 Wiring diagram Indoor 42KCR009713 42KCR012713 42KCR018713...
Page 12: ...Service manual 9 42QCR009713 42QCR012713 42QCR018713...
Page 13: ...Service manual 10 Outdoor 38KCR009713 38KCR012713 38KCR018713...
Page 14: ...Service manual 11 38QCR009713 38QCR012713 38QCR018713...