Troubleshooting
Samsung Electronics 4-105
4-4-49 DC Link voltage sensor error
Outdoor unit display
(INVERTER1 PCB) (INVERTER2 PCB)
(OUTDOOR FAN 1 PCB)
Judgment Method
DC voltage detection : Judged as an error if the detected value is more than 2.8V or 0.2V less than
Cause of problem
DC Link Connector disconnected
PCB voltage sensing circuit defective
Check the connector
connection
Check the status of DC LINK Connector
Power Off
Replace FAN PCB
E496
E469
Replace No1 INVERTER PCB
E369
Replace No2 INVERTER PCB
1.
How to check
DC power wire (Inv. PCB)
DC power wire (Fan PCB)
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