Service manual

56
13
Control Circuit Configuration
Indoor Units
(1) LED display on indoor P.C. board – MCC-1361-01
General type
Part No. Colour Displayed content Details
D13 Orange Serial receive Flashes synchronized with the receive
signal to the standard remote controller.
D11 Green Serial send Flashes synchronized with the send signal
from the standard remote controller.
D22 Red Alarm stop display Goes on when the indoor unit stops
with fault.
D51 Yellow Cycle communication Flashes synchronized with receive signal
from the outdoor unit.
D22 (Red)
D51 (Yellow)
PCB identification code
(MCC-1361-01)
MCC-1361-01
D13 (Orange)
D11 (Green)
Indoor P.C. board parts layout