The lamp house is not correctly installed in its compartment.

Check if the lamp house is properly installed. Ensure that thethree fixation screws (reference S ) of the lamp house are fastened.

Wrong lamp house detected in lamp compartment of the projector.

Replace the lamp house with a compatible lamp house for thisprojector.

No communication with the lamp house.

1. Check if the blue socket (reference C1 ) of the lamp house is not damaged.

2. Check if the blue socket (reference C2 ) in the upper left corner of the lampcompartment is not damaged.

3. Check wiring at the rear side of the blue socket (referenceC2 ) inside the projector.The rear side of the blue socket inside the projector is visible afterremoval of the left side cover (Light Processor side).

4. Check if the wire unit coming from the blue socket in the lampcompartment is plugged into its socket (reference C ) on the backplane behind the Input &Communication Unit.

5. Replace the Cinema Controller.

6. Replace the Backplane.

The projector generates Error Code 5180 as well. (Lamp house- not connected)

See trouble shooting checklist of Error Code 5180.