8-12Hp Led Indicators Led1 And Led2 On Inverter Module; 14-18Hp Led Indicators Led1 And Led2 On Inverter Module - Midea VRF Series Service Manual

The specific error codes L0, L1, L2, L5, L7 and LA can also be obtained from the inverter module LED indicators. If an
inverter module error has occurred, LED2(green) is continuously on and LED1(red) flashes.
Figure 6-2.4: 8-12HP LED indicators LED1 and LED2 on inverter module
Figure 6-2.5: 14-18HP 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
Flashes 9 times and stops for 1 second, then repeats
Flashes 10 times and stops for 1 second, then repeats
Flashes 13 times and stops for 1 second, then repeats
Flashes 15 times and stops for 1 second, then repeats
Flashes 11 times and stops for 1 second, then repeats
LED1 flashing pattern
LED2
LED1
LED2 LED1
Corresponding error
L0 - Inverter compressor module error
L1 - DC bus low voltage protection
L2 - DC bus high voltage protection
L5 - Zero speed protection
L7 - Phase sequence error
LA - PED software verification failed
V6R VRF 50/60Hz
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