Aiwa ACD-18KBTU Instruction Manual page 7

Indoor Display
NO
1
2
3
The shape and position of switches and indicators may be different according to the model,
but their function is the same.
1
LED
Indicator for Timer, temperature and Error codes.
Lights up during Timer operation.
SLEEP mode
2
3
FUNCTION
EN
ACD-18KBTU 7