Samsung AC***KNZDCH/AA Installation Manual page 42

Troubleshooting
Abnormal conditions
1. No communication for 2 minutes between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from the
outdoor unit, the mismatching of the communication
numbers and installed numbers after completion of
tracking.(Communication error for more than 2 minutes)
On Flickering X Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Indicators
Concealed Type
GREEN RED
Standard Type
X X
42
Remarks
1. Indoor unit error
(Display is
unrelated
with operation)
2. Outdoor unit
X
error
(Display is
unrelated
with operation)