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Other Symptoms: Fails To Cure Adhesive In Allotted Time

Possible Cause

Lamp Beyond Useful Life

Transmission loss In Light

Guide Too Great

Transmission loss In Filter

(Blue Filter At End Of Light

Guide) Too Great

Contaminants On Light

Guide Or Light Guide Filter

Lamp/Reflector Assembly

Not Installed Properly

TM-021 PN 35933

Rev 05/06/97

Problem: Low Output Intensity

Testing

Use a radiometer (model Dymax

Accu-Cal 20) to measure actual

output intensity. Consult manual

for proper output.

Compare light guide output against

new light guide (or use the Dymax

Light Guide Simulator - P/N

36987) to determine transmission

loss.

Compare filter output against new

filter to determine transmission

loss.

Visually examine ends of light

guide and filter for contaminants.

Visually check to make sure the

lamp/reflector assembly is seated

flush in the lamp mount assembly

(any error in installation could

cause a low output).

TROUBLESHOOTING

Corrective Action

Replace lamp/reflector

assembly if beyond useful

life (typical = 1000 hours).

Replace light guide.

Replace filter.

Clean with isopropyl alcohol

(or equivalent) or replace

light guide filter if it can not

be cleaned.

Properly install

lamp/reflector assembly.