Samsung AD26B1C13 Service Manual page 8

4) Indoor unit observes operation condition of the air conditioner, and displays self diagnosis details
on the display panel.
Display
NO
Standard Timer Nature Power
(GREEN) X X
1
X X
2
(GREEN) X
3
X X
4
5
X
6
(GREEN) X
7 (GREEN) X
X Restore from power failure (input initial power)
X Indoor unit Room sensor Error (open or short)
X Indoor unit heat exchanger temperature sensor Error (open or short)
X Indoor fan malfunctioning (for speed is below 450rpm)
In case that the communication between the indoor unit and outdoor unit is not made
X
for 60 seconds
Outdoor sensor Error (open or short)
X - Outdoor sensor
- Pipe sensor A, B
The malfunction ot 4way valve in heat mode operation.
Self Diagnosis
7