Samsung AM080KXMDFH/TC - Page 98

Troubleshooting
4-56 Samsung Electronics
■ Error due to operation failure of inverter compressor 1. (E-464)
Outdoor unit Display E-464 / E-465
Judgement Method
•WilloccuriftheovercurrentflowingintheIPM.
•DetectedbyH/WorS/W.
Cause of problem
•Installationdefective.
•Connectionwireerror.
•Comp.defective.
•Motordefective.
•PCBdefective.
Power Off
Is the outdoor unit
installed properly?
Yes
No
Is temperature
sensor location and the
measurement
value normally?
Is the resistance
value between different
phases of compressor
(U ↔ V, V ↔ W,W ↔ U)
less than 2Ω?
Yes
Power Off, and then replacement or correction of
the sensor location.
No
Remove the obstacles and check the status of the
installation.
Replace Compressor.
No
Yes
Is the resistance
between the body of
Compressor and
chassis MΩ?
Yes
Does the Compressor
connection wire
properly connect
to the compressor?
Replace Compressor.
Check the connection wire
(Check the status of the connection U V W )
Yes
Replace Inverter PCB.
Yes
Yes
Yes