High End Systems Technobeam manual Lithos or dichroic filters are cracking

Solution: Make sure all dichroics and lithos meet the specifications listed in the section titled “Specifications” on page 6-4.

Lithos or dichroic filters are cracking

Possible causes and solutions:

1.Cause: Improper installation. Solution:

a.General: Make sure you are using dichroics and lithos that meet the specifications shown in the section titled “Specifications” on page 6-4.

b.Lithos: Lithos must be oriented with the coated side facing away from the lamp and the glass (uncoated) side facing toward the lamp. In the case of textured lithos, face the textured side away from the lamp and the flat side toward the lamp.

c.Color wheel dichroic filters: Dichroic filters should be oriented with the coated side facing toward the lamp and the glass (uncoated) side facing away from the lamp. Figure 6-5 on page 6-6 shows how to tell which side is which.

2.Cause: Faulty hot mirror allowing overheating inside the fixture.

Solution: Visually inspect the hot mirror for cracks or deep scratches as shown in the section titled “Cleaning the Lenses and Mirrors” on page 6-16.

3.Cause: Fan has failed.

Solution: Home the fixture, either by unplugging the fixture and plugging it back in, or by selecting HOME from the Test menu. Put your hands over the air exhaust shown in Figure 2-13 on page 2-21. You should feel air movement. If not, the fan has failed. Contact High End Systems Customer Service as shown in “Contacting High End Systems” on page Intro-4.

Other components cracked or heat damaged

Possible causes and solutions:

1.Cause: Faulty hot mirror allowing overheating inside the fixture.

Solution: Visually inspect the hot mirror for cracks or deep scratches (see “Cleaning the Lenses and Mirrors” on page 6-16).

2.Cause: Fan has failed.

Solution: Home the fixture, either by unplugging the fixture and plugging it back in, or by selecting HOME from the Test menu. Put your hands over the air exhaust shown in Figure 2-13 on page 2-21. You should feel a slight breeze from the fan. If not, the fan has failed. Contact High End Systems Customer Service as shown in “Contacting High End Systems” on page Intro-4.

Technobeam® User Manual Troubleshooting 2-23