Troubleshooting
Samsung Electronics 135
4-3-46 Input / Output Current sensor error
Outdoor unit display
INVERTER1 PBA(Input Current sensor)
INVERTER2 PBA(Input Current sensor)
INVERTER1 PBA(Output Current sensor)
INVERTER 2 PBA(Output Current sensor)
OUTDOOR FAN PBA (FAN1 Output Current sensor)
OUTDOOR FAN PBA (FAN2 Output Current sensor)
Judgment Method
∙ Sensor Output detection : Judged as an error if the detected value is More than 4.5V or less than 0.5V
Cause of problem
∙ Input voltage defective
∙ PBA voltage sensing circuit defective
Power Off
Replace Inverter PBA.
Yes
No
Is Power connection
accurately connected?
E485 or E385?
E468 or E368?
Power Cable re-connection.
1.
Cause of problem
4-3 Appropriate Measures for Different Symptom (cont.)
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