Samsung AE090JXYDEH Service Manual page 53

Troubleshooting
FAN 1 error(E458), FAN 2 error(E475)
Do the pin voltages #6-#3 of CN90 and 91
change in the range of 4~5V(high) and 0~1V(low)
as you rotate the fan manually?
Exchange INVERTER PCB
52
Cont.
Yes
No
Yes
Replace the INVERTER PCB.
Tr ouble s hooting
4-8
Samsung Electronics