Restore Blower Speed - Optoma GT750 Service Manual

4-7 Restore Blower Speed

After replacing main board, blower or upgrading
the firmware, please follow steps as below:
1.Hold on "left" button,then Plug in the power cord and
press "power" button,when the "temp" LED and "lamp"
LED lighted red, loosen "left" button.
2.Wait a moment, please get into service mode
to check the "Blower Factory RPM" (as Picture A
shown).
Note:
- If the Factory FAN RPM Value doesn't show in
service mode, please repeat the step again.
- Make sure the " Blower Factory RPM" is 3500-6600.
Picture A
Confidential
GT750 4-