Input / Output Current Sensor Error - Samsung AG042KSVANH Service Manual

4-3-39. Input / Output Current sensor error

Outdoor unit display
Judgment Method
Cause of problem
1. Inspection Method
E485 or E385?
E468 or E368?
Replace Inverter PCB
INVERTER1 PCB(Input Current sensor)
INVERTER2 PCB(Input Current sensor)
INVERTER1 PCB(Output Current sensor)
INVERTER 2 PCB(Output Current sensor)
OUTDOOR FAN PCB (FAN1 Output Current sensor)
OUTDOOR FAN PCB (FAN2 Output Current sensor)
∙ Sensor Output detection : Judged as an error if the detected value is More than 4.5V or less than 0.5V
∙ Input voltage defective
∙ PCB voltage sensing circuit defective
Power Off
Is Power connection accurately connected?
Yes
No
E493 or E393?
Replace Fan PCB
84
Power Cable re-connection