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