Samsung AE040RXEDEG Service Manual page 86

Fan error (E458, E475) (cont.)
Is the Pin voltage #6 - #3 of CN90 and 91
changed high(4-5V) and low(0-1V) in case of
making manual rotation slowly?
Is the Pin voltage #7 - #3 of CN90 and
91 low(0-1V) in normal rotation?
Exchange INVERTER PCB
Samsung Electronics
Cont.
Yes
No
Yes
Yes
No
Troubleshooting
Exchange INVERTER PCB
Exchange the FAN motor
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