Samsung AE044MXTPEH Service Manual page 88

Troubleshooting
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
82
Cont.
Yes
No
Yes
Yes
No
Troubleshooting
Exchange INVERTER PCB
Exchange the FAN motor
Samsung Electronics
4-8