Comp Overcurrent Error - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)

4-3-47 COMP Overcurrent error

Outdoor unit display
∙ Will occur if the overcurrent flowing in the IPM.
Judgment Method
∙ Detected by H/W or S/W
∙ COMP. defective.
Cause of problem
∙ Inverter PBA Defective.
1. Cause of problem
Is the outdoor unit installed properly?
Is the resistance value
between phase of Compressor wire
(U-V, V-W, W-U) less than 2Ω?
Is the resistance between
the body of Compressor and
Does the Compressor
connection wire properly connect
to the compressor?
Samsung Electronics
(INVERTER1 PBA)
(INVERTER2 PBA)
Power Off
Yes
Yes
chassis MΩ?
Yes
Yes
Continue.
No
Remove the obstacles and check
the status of the installation.
No
Replace Compressor
No
Replace Compressor
No Check the connection wire
(Check the status of the
connection UVW)
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