Samsung DVM S ECO BIG Series Service Manual page 79

■ Output current sensor error of Fan2. (E-393) /
Output current sensor error of inverter PBA 1. (E-468) /
Error due to input current of inverter 1. (E-485) /
Output current sensor error of Fan1. (E-493)
Outdoor unit Display
Judgement Method
Cause of problem
Is Power connection
accurately connected?
E -393 / E -493
Replace Fan PCB
Samsung Electronics
• S ensor Output detection : Judged as an error if the detected value is more than
2.8V or 0.2V less than
• Input voltage defective
• PCB voltage sensing circuit defective
Power Off
Yes
E-378 / E-389 / E-478 / E-489
No
Power Cable re -connection
Replace Inverter PCB
Troubleshooting
E -468 / E -485
4-37