Samsung DVM S ECO BIG Series Service Manual page 51

■ Discharge mode of DC link voltage
Samsung Electronics
FAN PBA
INVERTER PBA
• E ven when the outdoor unit power is off, it is dangerous
when you come in contact with inverter PCB since it is
charged with high DC voltage.
• W hen replacing / repairing the PCB, cut-off the power and
wait until the DC voltage is discharged before replacing /
repairing them. (Wait for more than 15 minutes to allow it
to discharge naturally.)
• D uring "Discharge mode of DC link voltage", voltage of
INV will be displayed.
• I f inverter error is occurred (E464/364, E461/361, etc.),
please wait more than 15 minutes until self-discharging
after shutting off the power because it can not enter a
discharge mode.
How to initiate
Etc.
Press the K2 tact switch 3 times.
Discharge is complete, the power of the Inverter
PCB is being blocked, communication function is
blocked, E206 will occur.
Troubleshooting
4-9