A0  Failed attempt to save data in EEPROM
A1  EEPROM contains altered data
A2  Over-current software alarm 
A3  Power fault          
A4  Radiator thermal alarm
A5  Motor thermal alarm
A6  Motor thermal switch
A7  Motor in stall
A8  External alarm
A9  Over- frequency 
A10 Minimum power circuit voltage
A11 Power circuit over-voltage
A12 Internal alarm                      
A13 Soft start not enabled 
A14 Connection U,V,W error alarm 
A15 Auto-tuning failed
