950-0154revD - 12 - April 19, 2012
Malfunction Name
Display
Running
LED
Heating
LED
Cooling
LED
System Overload
H4
4 Flashes
Compressor Overload Protection
H3
3 Flashes
IPM Protection
H5
5 Flashes
Condenser Fan Motor Error
L3
High Pressure Protection
E1
1 Flash
Anti-Freezing Protection
E2
2 Flashes
Exhaust Protection (Temperature)
E4
4 Flashes
Over Current Protection
E5
5 Flashes
Mode Conflict
E7
7 Flashes
Communication Malfunction
E6
6 Flashes
Defrost or Oil Return Heat Mode
H1
1 Flash
Indoor Ambient Sensor Malfunction
F1
1 Flash
Indoor Tube Sensor Malfunction
F2
2 Flashes
Outdoor Ambient Sensor Malfunction
F3
3 Flashes
Outdoor Tube Sensor Malfunction
F4
4 Flashes
Outdoor Exhaust Sensor Malfunction
F5
5 Flashes
Startup Failure
H7
7 Flashes
PFC Malfunction
HC
6 Flashes
Demagnetizing Protection for Compressor
HE
14 Flashes
Zero Crossing Detector
U9
Frequency Drop for Overload
F6
6 Flashes
Frequency Drop for Over Current Protection
F8
8 Flashes
Frequency Drop for Exhaust Protection
F9
9 Flashes
Frequency Drop for Heating High
Temperature Protection
H0
10 Flashes
Anti-Cold Protection
E9
9 Flashes
Oil Return in Cooling Mode
F7
7 Flashes
