Dc Link Voltage Sensor Error - Samsung AG042KSVANH Service Manual

4-3-37. 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. Inspection Method
E496
Power Off
Check the status of DC LINK Connector
Replace FAN PCB
E469
Replace No1 INVERTER PCB
(INVERTER1 PCB)
(OUTDOOR FAN 1 PCB)
Replace No2 INVERTER PCB
81
(INVERTER2 PCB)
Check the connector
connection
E369
DC power wire (Inv. PCB)
DC power wire (Fan PCB)