Service manual

11-12
CONTROL SYSTEM
SM DUO38 1-E.1 GB
11.20.2 Indoor Unit Controls and Indicators for LCD Display
STBY Cool Heat Auto Fan Dry
OFF SPT(1*) SPT(1*) SPT(1*) SPT(1*) SPT(1*)
OFF(2*) ON(2*) ON(2*) ON(2*) ON(2*) ON(2*)
OFF(2*) OFF(2*) OFF(2*) OFF(2*) OFF(2*) OFF(2*)
(Low)
OFF
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
User
setting
IFAN
speed
(Med)
OFF
(High)
OFF
(Turbo)
OFF
(Auto)
OFF
Backlight(red)
OFF OFF ON(3*) ON(3*) ON(3*) OFF
Backlight(green)
OFF ON(3*) OFF ON(3*) ON(3*) ON(3*)
11.20.3 Outdoor Unit Controller Indicators
Unit has three LED’s.
SB LED is ON when power is ON (230 VAC, even when no communication).
STATUS LED is ON when COMP is ON, and Blinks according to diagnostics mode
definitions when either fault or protection occurs.
FAULT LED Blinks according to diagnostics mode definitions when either fault or protection
occurs.
CONTENT