Use and Care Manual
 Troubleshooting 7 
Parameter Checking information by Remote controller
Displaying code Displaying code meaning Display value Display value meaning 
T1 Room temperature 
T2 Indoor coil temperature
T3 Outdoor coil temperature
T4 Ambient temperature
Tb
Outlet temperature of 
indoor coil
TP Discharge temperature
TH Sunction temperature
FT Targeted Frequency
Fr Actual Frequency 
IF Indoor fan speed
OF Outdoor fan speed
LA EXV opening steps
CT
Compressor continuous 
running time
ST
Causes of compressor 
stop.
A0, A1, b0, b1, b2, b3, b4, 
b5, b6, dL, Ac, Uo, Td, dA, 
dS, dT
Reserved
Approval from Manufacturer
□Approved
□More Proof needed
□Rejected










