V6-i VRF 50/60Hz 
    95 
Part 
6 - Diagnosis and Troubleshooting
 
The specific error codes xL0, xL1, xL2 and xL4 can also be obtained from the inverter module LED indicators. If an inverter 
module error has occurred, LED2 is continuously on and LED1 flashes. 
 
Figure 6-2.4: LED indicators LED1 and LED2 on inverter module 
 
Table 5-3.2: Errors indicated on LED1 
Flashes 8 times and stops for 1 second, then repeats 
xL0 - Inverter module protection 
Flashes 9 times and stops for 1 second, then repeats 
xL1 - DC bus low voltage protection 
Flashes 10 times and stops for 1 second, then repeats 
xL2 - DC bus high voltage protection 
Flashes 12 times and stops for 1 second, then repeats