Samsung AM048FXMDCH - DC Voltage Sensor Error of Inverter PBA 1. (E-469)

54 Samsung Electronics
3-20. DC voltage sensor error of inverter PBA 1. (E-469)
Outdoor unit Display E-469
Judgement Method
t%$WPMUBHFEFUFDUJPO+VEHFEBTBOFSSPSJGUIFEFUFDUFEWBMVFJTNPSFUIBO7
or 0.2V less than.
Cause of problem
t*OQVUWPMUBHFEFGFDUJWF
t"$1PXFSXJSJOHFSSPS
t.PNFOUBSZ0WFSWPMUBHF-PXWPMUBHFPDDVST
t1$#WPMUBHFTFOTJOHDJSDVJUEFGFDUJWF
Power Off
Is Power connection
accurately connected?
Is Reactor accurately
connected?
Did the Fuse is short?
Is EMI PCB and
Inverter PCB accurately connected?
Is Inverter PCB and
Fan PCB DC -Link voltage connection wire
accurately connected?
Replace Inverter PCB.
Power Cable re-connection.
Check the Reactor connection.
Replace Fuse.
Power Off and then re-connection.
Replace Fan PCB.
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No