27
LG
LG air conditioner error 27
Meaning
PSC Fault (Reactor)
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Prospective short circuit (PSC) fault error; current to inverter compressor between AC and DC converter circuit is too high
Models
LS091HSV, LS121HSV
How the unit shows it
- No. of Times Indoor Unit LEDs Blink LED1 (Heating LED): 2X
- No. of Times Indoor Unit LEDs Blink LED2 (Cooling LED): 7X
- No. of Times Outdoor Unit PCB LEDs Blink LED1 (Green): 2X
- No. of Times Outdoor Unit PCB LEDs Blink LED2 (Red): 7X
Causes and how to check
- the cited manual page, and follow-up questions
No account needed to look up codes.
Model series: LS