INNOVAIR QUANTUM INVERTER
Error Code Indicators
2.2. When the unit has the following trouble and the compressor stops running, press the sleep button on
the remote controller 4 times in ten seconds and the 7-segment tube of the display board will show the error
code as the following. If two malfunctions happened at the same time, you must press the sleep button 4 times
again, and the LED will show the other error code.
Refer to the remote controller where the sleep key can set into 4 different combination ways (new design
remote controller), when using to check the error codes only takes effect for pressing the sleep key 10 times in
ten seconds instead of 4 times.
NOTE: If the troubleshooting inquiry display by 7-segment tube, then the error code will be displayed,
otherwise only the LED of the display board will show.
Running Timer Sleep Power Remark:★Light
Error
code
1
2
0
1
x
o
×
Ο
2
Ο
★
5
Ο
★
6
3
4
Content
Normal
Failure of
temperature
x
x
sensor of
outdoor coil
×
★
Compressor
exhaust
temperature
sensor in
trouble
×
×
IPM module
protection
×
★
AC voltage
higher or
lower
protection
31
TROUBLESHOOTING
o Flash x OFF
The root cause is may be one of
Remark
the following
a. The outdoor temperature
sensor is loose;
b. The outdoor temperature
sensor fails;
c. The indoor control board fails
a. the compressor exhaust
temperature sensor connection is
loose;
b. the compressor exhaust
temperature sensor fails;
c. the outdoor control board fails
a. The IPM board fails;
b. The outdoor fan is broken;
c. The outdoor fan motor fails;
d. The outdoor fan has been
blocked ;
e. The condenser is dirty;
f. The outdoor unit has been
installed without standard.
a. the supply voltage is higher or
lower than normal;
b. the inner supply voltage of the
unit is higher or lower than normal