User Guide
Page 65
... Lock on the panel for the screen 15 seconds to unlock the OSD. If so, replace with 2 new AAA batteries. If the problem persists, contact Dell™. The remote control is blinking amber A projector fan has failed and the projector will automatically shut down. Problem (continued) Possible Solution (continued) TEMP light is not operating smoothly...
... Lock on the panel for the screen 15 seconds to unlock the OSD. If so, replace with 2 new AAA batteries. If the problem persists, contact Dell™. The remote control is blinking amber A projector fan has failed and the projector will automatically shut down. Problem (continued) Possible Solution (continued) TEMP light is not operating smoothly...