LG LFX28968SW Service Manual - Page 45
How to check the Fan-Error
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10-4 How to check the Fan-Error (1) EBR650027** After sending a signal to the fan, the MICOM checks the BLDC fan motor s lock status. If there is no feedback signal from the BLDC fan, the fan motor stops for 10 seconds and then is powered again for 15 seconds. To determine that there is a fan motor malfunction, this process is repeated 3 times. If the fan motor is determined to be defective, the error code will be shown in the display for 30 minutes. At this point, the process will be repeated until the fan motor operates normally. If normal operation is achieved, the error display is erased and the MICOM is reset automatically. No signal Error Display 15s 15s 15s Normal drive 10s 10s No signal 20s 15s 15s Repeat 20s Pause 30min 10s 10s Pause 30min 10s - 45 -