Dc Link Voltage Sensor Error - Samsung AM080FX A Series Service Manual

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)

4-3-49 DC Link voltage sensor error

Outdoor unit display
Judgment Method
∙ DC voltage detection : Error judgment where the voltage value is more than 4.8V or less than 0.2V.
∙ DC Link Connector disconnected
Cause of problem
∙ PBA voltage sensing circuit defective
1. Cause of problem
E496
Power Off
Check the status of DC LINK Connector
Replace FAN PBA
E469
Replace No1 INVERTER PBA
Samsung Electronics
(INVERTER1 PBA)
(OUTDOOR FAN 1 PBA)
Replace No2 INVERTER PBA
(INVERTER2 PBA)
Check the connector
connection
E369
DC power wire (Inv. PBA)
DC power wire (Fan PBA)
213