Dell S300wi User Manual page 110

Lamp failure Lamp is defective. Replace the lamp.
Fault - DC Power supply has been interrupted. The
supply (+12V) projector automatically shuts down.
Unplug the power cord after three
minutes and then turn on the projector. If
this problem persists, contact Dell.
Lamp module Lamp module connection may be
connection disrupted. Check the lamp module and
failed ensure that it is properly installed. If the
problem persists, contact Dell.
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