Super Free Match 
Service Manual 
 
MAINTENANCE 
124 
 
2.2  Problem Handling 
The conditions listed below are not classified into errors. 
Conditions Causes 
When restart the unit soon after it 
is stopped 
The overload protection switch of the unit let the 
startup delayed for three minutes 
The unit does not run 
As soon as power supply is on  The unit will stand by for approximate one minute 
The unit blows out mist  When the cooling operation starts The hi-humidity air indoor is cooled quickly 
The unit “clatters” as soon as it 
starts running 
It is the sound generated during the initialization of 
the electronic expansion valve 
The unit “swishes” during the 
cooling operation 
It is the sound when the refrigerant gas runs inside 
the unit 
The unit “swishes” when it is 
started or stopped 
It is the sound when the refrigerant gas stops running
The unit “swishes” when it is in 
and after the running 
It is the sound when the draining system is operating 
The unit generates noise 
The unit “squeaks” when it is in 
and after the running 
It is the sound of frication generated by the skin plate 
etc which swells due to the temperature change 
The unit blows out dust 
When the unit restarts after it is 
not used for a long time 
The dust inside the unit is blown out again 
The unit emits odors  When the unit is running  The odors absorbed in are blown out 
2.3  Error description 
  Outdoor unit 
If some error occurs when the unit is running, the error code will be displayed on the wired controller, the 
testing board 
  of the outdoor unit. Check for more details about the meaning of each error. 
Main control display for outdoor unit 
Errors of definition 
Yellow LED Red LED  Green LED 
Indoor unit 
code 
Testing board 
code 
The compressor is startup 
Flash 1 time     
 
IPM current protection 
Flash 3 times     
H5 H5 
IPM temperature protection 
Flash 5 times     
P8 P8 
PFC current protection 
Flash 7 times     
 HC 
PFC temperature protection 
Flash 8 times     
P8 P8 
Low voltage protection 
Flash 9 times     
PL PL 
High voltage protection 
Flash 10 times     
PH PH 
Low pressure protection 
Flash 11 times     
 E3 
High pressure protection 
Flash 12 times     
 E8 
High pressure switch protection 
Flash 13 times     
 E1 
Capacitor charging error 
Flash 14 times     
 PU 
AC current protection 
Flash 15 times     
E5 E5 
Memory card error 
Flash 16 times     
 EE 
Compressor demagnetizing protection 
Flash 17 times     
HE HE 
Compressor desynchronizing 
Flash 18 times     
H7 H7 
Compressor phase lack 
Flash 19 times     
U2 U2 
Compressor phase circuit detection error 
Flash 20 times     
U1 U1