INVENTOR U6MRS32-18, Service Manual, Page: 175 / 280

 Troubleshooting 8 
4. Information Inquiry
• To enter information inquiry status, complete the following procedure within 10 seconds:
• Press LED 3 times.
• Press SWING 3 times.
• Finish 1 and 2 within 10 seconds, you will hear beeps for two seconds, which means the unit goes into parameter
checking mode.
• Use the LED(or DO NOT DISTURB) and SWING(or AIR DIRECTION) buttons to cycle through information displayed.
• Pressing LED(or DO NOT DISTURB) displays the next code in the sequence. Pressing SWING(or AIR DIRECTION) will
show the previous.
• The following table shows information codes. The screen displays this code for 1.2 seconds, then the information for
25 seconds.
Displayed code Explanation Additional Notes
Error code Refer to next list of error code
T1
T1
T1 temperature
T2
T2
T2 temperature
T3 T3
T3 temperature
T4
T4
T4 temperature
TP
TP
TP temperature
Targeted frequency
FT
Targeted Frequency
Actual frequency
f
r
Actual Frequency
Compressor current
L
N/A
Outdoor AC voltage
U
N/A
Indoor capacity test
S
n
N/A
Reserve
-- N/A
Outdoor fan speed
P
r Outdoor fan speed=value*8
EXV opening angle
L
r
EXV opening angle-value*8
Indoor fan speed I
r
Indoor fan speed=value*8
Indoor humidity HU N/A
Adjusted setting temperature TT N/A
Reserve -- N/A
Reserve -- N/A
Reserve -- N/A
GA algorithm frequency T N/A