Samsung AG010DSVAFG Service Manual

744-3-36. Compressor starting errorOutdoor unit display (INVERTER1 PBA)(INVERTER2 PBA)Judgment Method - Startup, and then if the speed increase is not normally.- Detected by H/W or S/W.Cause of problem - Compressor connection error- Defective Compressor1. Cause of problemReplace MAIN PBANoReplace Hot Gas Bypass Valve 1.NoYesYesIs Hot Gas Bypass Valve1 startup the initial power is applied?*Hot Gas Bypass Valve1 is Open when compressorstarts to reduce the Load .Hot Gas BypassValve initial startup does it work?*(Check the temp. between Hot Gas Bypass Valve 1 andSuction Pipe. If Temp. is similar with Dischargepipe Temp. . It works.)Power Off and then RestartReplace Compressor.Replace Inverter PBAReplace Inverter PBANoNoNoNoYesYesYesYesYesYesYesIs the resistancevalue between different phases ofcompressor (U↔V,V↔W,W↔U)less than 2Ω?Is there On-deviceInverter CheckHas nG been marked?Is there On-deviceInverter CheckDoes all 6 LEDs light up?Replace Compressor.NoYesIs the resistancebetween the body of Compressor andchassis Open?NoYesDoes the Compressorconnection wire properly connect tothe Inverter PBA?Repair / Replace the wire.Continue.Press K1 button12 ~ 16 timesPress K2 button10 ~ 13 times