Factory Fan Rpm Reset - Optoma ES523ST Serivce Manual

4-6 Factory Fan RPM Reset

After replace main board, blower or upgrade FW, you need to
do as below:
1.Turn on the projector, after about 30 seconds, press
"Power", "Left", "Left" and "Menu" button sequentially to
get into service mode1, press right key to change
the "Factory RPM Save" status to "On".The "Current
Blower RPM" will be saved after 3 seconds and "Factory
RPM Save"status change to "Off" automatically.
Note:
If the �lo�er Factory ���� is not bet�een �145������ ,
please change blo�er or main board.
ES523ST/EW533ST Confidential
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