Replacing the Vivitek H1085 projector lamp

Written by
  • Shelagh M.
  • 10 years ago

Replace the Vivitek H1085 projector lamp using our step-by-step instructions.

End of life

Knowing when your Vivitek H1085 projector lamp is reaching end of life is important so you can be prepared with a new lamp waiting. If you notice the Power LED light flashing five times in a row or if the onscreen picture is faded or distorted check your lamp hours. To check:

  • Press the Menu button to open the on screen menu.
  • Press left/right arrow keys to move button to move to the STATUS Menu.
  • The LAMP HOUR field displays the number of hours the lamp has been in use.
  • You can expect 2000 hours lamp life. 3000 hours if Eco Mode has been turned on.

Buy the right lamp!

Your Vivitek H1085 projector uses the Vivitek 5811116206-S projector lamp. Be sure the purchase an authentic projector lamp and avoid the temptation of a the generic lamps with their seemingly great bargain prices. There are several problems associated with generics that you want to avoid:

Save yourself hassle and go an authentic Vivitek 5811116206-S lamp.

Replace the 5811116206-S projector lamp

Before changing the Vivitek 5811116206-S lamp:

  • Disconnecting the power cord on the Vivitek H1085 projector.
  • Reduce the risk of severe burns by allowing the projector to cool for at least 45 minutes.


  • Turn the projector around to locate the lamp cover screw. Remove the captive screw holding the lamp cover place.


  • Gently slide off the lamp cover and place it to one side. You will need to re-install the cover before turning on the Vivitek H1085 projector again.



NOTE: The 5811116206-S projector lamp contains mercury and should not be thrown into regular garbage. Recycle your used lamps!

  • Lift up the wire handle on the new Vivitek 5811116206-S projector lamp and gently guide it into the H1085projector.
  • Take care not to touch the actual bulb as the oil from your fingers will smudges that will burn into a black spots when the projector heats up.
  • Tighten the projector lamp screw.
  • Re-install the H1082 lamp cover and tighten the screw.
  • Reset the total lamp hour timer.


Resetting the Lamp Hour Timer

It’s important to only reset the projector lamp timer when the Vivitek 5811116206-S lamp has been replaced. Resetting the projector lamp timer without changing the lamp can make it work beyond its recommended hours and cause harm to your Vivitek H1085 projector.

  • Press the Menu button to open the OSD menu.
  • Press left/right arrow keys to move to the Setup menu.
  • Press up/down arrows to move to the Advanced menu
  • Press Enter.
  • Press the cursor up/down arrows button to Lamp Hour Reset.
  • Press Enter.
  • A message will appear saying the Lamp Hour has been reset to zero.
  • Press the Menu button to return to the main Setup menu.

Extending the life of the Vivitek 5811116206-S lamp:

  • Keep your air filters clean to avoid overheating the projector.
  • Use the Lamp Power option on the Vivitek H1085 projector and set to Eco Mode to reduce the amount of power used but extend lamp life.
  • Learn more with Top tips for extending DLP projector lamp life.


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