Troubleshooting 20
OUTDOOR UNIT Error Method:
Low pressure Error
Detective Actuators:
Pressure sensor
P21 : 1-3
Indicate or Display:
Green 10 flash / Red 5 flash
Detective details:
"Protection stop by suction pressure
repeats 5 times within 2 hours.
6
P21
P21 : 1-3
Outdoor unit : No indication
03-21
0.02MPa continued for 5 minutes"