Dc Link Voltage Sensor Error - Samsung AM080 XV Series Service Manual

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
∙ PCB voltage sensing circuit defective
1. Cause of problem
E496
Power Off
Check the status of DC LINK Connector
Replace FAN PCB
E469
Replace No1 INVERTER PCB
Samsung Electronics
(INVERTER1 PCB)
(OUTDOOR FAN 1 PCB)
Replace No2 INVERTER PCB
(INVERTER2 PCB)
Check the connector
connection
E369
Troubleshooting
DC power wire (Inv. PCB)
DC power wire (Fan PCB)
4-75