Service Manual

SiUS121827E Troubleshooting with LED
Part 6 Service Diagnosis 149
2.2 Outdoor Unit
The outdoor unit has a green LED (LED A) and red LEDs (LED 1 ~ LED 5) on the PCB.
When the microcomputer works in order, the LED A blinks, and when the system is in normal
condition, the red LEDs are OFF.
Even after the error is canceled and the unit operates in normal condition, the LED indication
remains.
R6000447
Refer to page 54 for the location of LED.
A
1
2
3
4
5
LED A
LED 1
LED 2
LED 3
LED 4
LED 5
Service monitor PCB