Gree Versati II+ - Capacity Switch Error C5; Diagnosis of Driving; Diagnosis Flowchart for Single-phase and Three-phase Units

7
Test Operation & Troubleshooting & Maintenance
3�8 Capacity Switch Error (Code:"C5")
Communication Malfunction E6
Check if the communication
line of the unit is connected
Measure if the Communication
line is through
yes
no
no
Check if the communication line
of the unit is connected correctly
yes
yes
no
Communication
Malfunction E6
Communication
Malfunction E6
Communication
Malfunction E6
Communication
Malfunction E6
Communication
Malfunction E6
4 Diagnosis of Driving
4�1 Diagnosis Flowchart of Driving of Single-phase Unit and Three-phase Unit
4�1�1 Drive Module Reset(Code:"P0") ; IPM or PFC Temperature Sensor Error(Code:"P7") ; AC Current
Protection (Input Side)(Code:"PA"); Current Sense Circuit Error(code:"PC"); PFC Protection(Code:"HC")