Troubleshooting Guide
 Troubleshooting 10 
Displayed code Explanation
Displayed 
value
Meaning Additional Notes
T1
T2
T3
T4
Tb
TP
TH
FT
Fr
Room temperature
-1F,-1E,-1d,-1c,-
1b,-1A
-19—99
A0,A1,…A9
b0,b1,…b9
c0,c1,…c9
d0,d1,…d9
E0,E1,…E9
F0,F1,…F9
-25,-24,-23,-22, 
-21,-20
-19—99
100,101,…109
110,111,…119
120,121,…129
130,131,…139
140,141,…149
150,151,…159
1.  All displayed temperatures 
use actual values.
2.  All temperatures are 
displayed in °C regardless 
of remote used.
3.  T1, T2, T3, T4, and T2B 
display ranges from -25 to 
70 °C. TP display ranges 
from -20 to 130 °C.
4.  The frequency display 
ranges from 0 to 159HZ.
5.  If the actual values exceed 
or fall short of the defined 
range, the values closest 
to the maximum and 
minimum values will be 
displayed.
Indoor coil 
temperature
Outdoor coil 
temperature
Ambient 
temperature
Outlet temperature 
of indoor coil
Discharge 
temperature
Suction temperature
Targeted frequency
Actual frequency 
IF
Indoor fan speed
0
1,2,3,4
14-FF
OFF
Low speed, Medium 
speed, High speed, 
Turbo.
Actual fan speed is 
equal to the display 
value converted to 
decimal value and 
multiplied by 10. This 
is measured in RPM.
N/A
Used for some large capacity 
motors.
Used for some small capacity 
motors.
The display value is 14-FF  
(hexadecimal). The 
corresponding fan speed 
ranges from 200 to 2550 RPM.
OF
Outdoor fan speed
LA
EXV opening angle 0-FF
Actual EXV opening 
value is equal to 
the display value 
converted to decimal 
value and then 
multiplied by 2.
-
CT
Compressor 
continuous running 
time
0-FF 0-255 minutes
If the actual value exceeds 
or falls short of the defined 
range, the value closest to the 
maximum and minimum will 
be displayed.
ST
Causes of 
compressor stop
0-99
For a detailed 
explanation, contact 
technical support.
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