Carrier X-POWER Series - Page 144

R410A DC Inverter Series Carrier service manual
162 Troubleshooting
2.4 LED on PCB instructions
LED1: Power supply indicator lamp. The lamp will be on if the power supply is normal.
LED2: Running indicator lamp. The lamp will be on if the system running is normal.
LED3: Malfunction indicator lamp of network centralized control chip. The lamp will flash in three-phase
phase sequence protection.
LED4& LED6: Running indicator lamp of inverter module. The lamp will be on if the compressor is running
and will flash when in standby condition.
LED5& LED7: Malfunction indicator lamp of inverter module. The lamp will flash if the inverter module is
faulty and the error code will display on digital tube.
Note:
For 8HP and 10HP model, when it is running, LED7 will be on and LED6 will flash.
ENC1
ENC3 S1
2 S3
S7
S8 S1
ENC
2
ENC4
S4
S2
S6
S5
LED3 LED2 LED1
LED5
LED4
LED7
LED6