Compressor Starting Error - Samsung AM080xXV Series Service Manual

Troubleshooting

4-3-46 Compressor starting error

Outdoor unit display
∙ Startup, and then if the speed increase is not normally.
Judgment Method
∙ Detected by H/W or S/W.
∙ Compressor connection error
Cause of problem
∙ Defective Compressor
1. Cause of problem
Power Off and then Restart
Is Hot Gas Bypass Valve 1
startup the initial power is applied?
*Hot Gas Bypass Valve1 is Open when
compressor starts to reduce
Hot Gas Bypass
Valve initial startup does it work?
*(Check the temp. between Hot Gas Bypass
Valve 1 and Suction Pipe.
If Temp. is similar with Discharge pipe
Temp. . It works.)
Is the resistance
value between different phases of
compressor (U ↔ V,V ↔ W,W ↔ U)
less than 2Ω?
Is the resistance
between the body of Compressor and
chassis Open?
Does the Compressor
connection wire properly connect to
the Inverter PBA?
4-72
(INVERTER1 PCB)
(INVERTER2 PCB)
the Load .
Yes
Yes
Yes
Yes
Yes
Continue.
No
Hub Replace PCB.
No
Replace Hot Gas Bypass Valve 1.
No
Replace Compressor.
No
Replace Compressor.
No
Repair / Replace the wire.
Samsung Electronics