Troubleshooting |
Chapter 6: Troubleshooting
Troubleshooting In the table below a number of problems are listed in the first column. In the second
tablecolumn, you will find the possible causes of the problem, and in the third column the solution.
Problem |
| Possible cause |
| Solution |
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Light does not | Lamp(s) defective | 1. | Replace lamp(s). | |
energize. |
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| 2. | Replace film disc |
| Loose or broken contacts | Tighten or replace the contacts. | ||
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| Moisture inside assembly causing | 1. | Open light assembly. | |
| current leakage | 2. | Clean, dry, inspect or replace damaged | |
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| components. | |
| Defective cable assembly or | 1. | Open light assembly. | |
| defective crimping | 2. | Replace cable assembly. | |
| Defective isolation transformer or | Check transformer output current with Am | ||
| secondary wiring | meter. | ||
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|
| Check power line between the light fixture and | |
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| the transformer, including connectors. | |
Light does not | Resistance too high or partial short | 1. | Replace cable assembly or inner cover | |
energize at | circuit. | assembly. | ||
normal level. | Light misaligned. | 2. | Replace lamp(s) and/or transformer(s). | |
| Dirty prisms. | 3. | Clean prisms and check orientation of light. | |
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| ||
Light beam out | Broken or damaged prism/cover | 1. | Replace prism or entire outer cover | |
of alignment |
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| assembly. | |
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| 2. | Check lamp positioning. |
Improper beam | Wrong prism | Replace prism with one of the proper colour. | ||
colour |
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| Dichroïc coating damaged | Replace prism. | ||
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| |
Short lamp life | Too high current (lamp will have | Check output current of isolating transformer | ||
| black burns) | at full brightness. Current should not exceed | ||
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|
| 6.7 A. | |
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| Replace transformer if defective; if not, adjust | |
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| CCR output current. | |
| Moisture in assembly | 1. | Open light assembly. | |
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| 2. | Clean, dry, inspect or replace damaged |
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| components. | |
| Defective lamp or lamp bulb | 1. | Replace lamp. | |
| touched with bare fingers (lamp | 2. | If used, replace film disc | |
| interior will have a |
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| |
| powdery appearance if air has |
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| |
| entered through a hole or crack) |
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2002 Siemens Airfield Solutions, Incorporated | 96A0266D | 28 |
All rights reserved | Issued 2/02 |
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