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Troubleshooting
Input / Output Current sensor error
AM038/048/055KXWD
Outdoor unit display
Judgment Method
∙ Sensor Output detection : Judged as an error if the detected value is more than 2.8V or 0.2V less than
∙ Defective Input voltage
Cause of problem
∙ Defective PCB voltage sensing circuit
1. How to check
4-110
(cont.)
✳✳
INVERTER1 PCB (Input current sensor)
INVERTER1 PCB (Output current sensor)
Power off
Is power connection accurately connected?
Yes
E485 or E385?
E468 or E368?
Replace inverter PCB
No
Power cable re-connection
Samsung Electronics
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