ADB Safegate RELIANCE Omni 1-Dome, User Manual

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7.0 Troubleshooting
WARNING
Allow only qualified personnel to perform the following tasks. Observe and follow the safety instructions in this
document and all other related documentation.
De-energize the circuit and lock out the circuit or regulator so that the circuit cannot be energized by remote means
before attempting to service the fixture.
Failure to follow this instruction can result in injury or equipment damage.
This section contains troubleshooting information. This information covers only the most common problems that you may
encounter. If you cannot solve the problem with the information given here, contact your local ADB Safegate representative
for help.
Troubleshooting procedures for the inset lights are contained here.
Table 4: Troubleshooting Procedures
Problem Possible Cause Corrective Action
1. LED not energizing
LED defective
PCB defective
Replace Optical LED assembly. Refer to Replacing LED Assembly .
Replace the PCB
See Testing a LED Assembly .
Loose LED leads Replace Optical assembly
Moisture inside assembly causing
current leakage
Open up light assembly. Clean, dry, and inspect light assembly.
Replace the O-ring.
No connection of primary circuit.
Defective L-830 isolation
transformer or secondary wiring
Check transformer output current with true RMS ammeter.
Check power line between the light fixture and the transformer,
including connectors.
Light fixtures have gone into fail-
open mode
Replace the fuse resistors.
2. Weak light output
Partial short circuit in primary
loop
Check cable assembly.
Defective L-830 isolation
transformer
Replace transformer.
Dirty lens Clean lens. Refer to Cleaning the Lens .
3. Light beam distorted Broken or damaged lens /cover Replace lens or entire fixture. Refer to Replacing Lens and Flat Gasket .
4. Short LED life
Current too high
Check output current of isolating transformer at full brightness.
Current should not exceed 6.7 A.
Replace transformer if defective; if not, adjust CCR output current.
Moisture in lighting fixture
1. Open light assembly. Refer to Opening optical assembly in the
Repair section.
2. Check for cause of leakage (dirty or damaged o- ring seal mating
surfaces, defective lens seals, cracked or broken lens, loose
screws or damaged wire insulation).
3. Clean, dry, inspect, or replace damaged components.
UM-5073, Rev. 1.0, 2021/07/13 43
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