Gree GRS-CQ14Pd/NhG-M - Page 126

Test Operation & Troubleshooting & Maintenance
 DC Busbar Over-voltage Protection(Code:"PH") ; DC Busbar Under-voltage Protection
(Code:"PL")
Note: three-phase input voltage is in the range from 320VAC to 475VAC.
 Drive-to-main-control Communication Error(Code:"P6")
 Compressor Startup Failure(code:"LC")