Instruction manual

AM.11.100e edition 1.4
Chapter 5: Troubleshooting 36
Chapter 5: Troubleshooting
In the table below a number of problems are listed in the first column. In the
second column, you will find the possible causes of the problem and in the third
column the solution.
Problem Possible cause Solution
Light does not
energise.
Lamp defective 1. Replace lamp.
2. Replace film disc cut-out (when used).
Loose or broken contacts Tighten or replace the contacts.
Moisture inside assembly causing
current leakage
1. Open light assembly.
2. Clean, dry, inspect or replace damaged
components.
Defective cable assembly or
defective crimping
1. Open light assembly.
2. Replace cable assembly.
Defective isolation transformer or
secondary wiring
Check transformer output current with Am
meter.
Check power line between the light fixture and
the transformer, including connectors.
Light does not
energise at
normal level.
Resistance too high or partial short
circuit.
Dirty lens.
Defective isolation transformer.
1. Replace cable assembly or inner cover
assembly.
2. Replace lamp and/or transformer.
3. Clean lens.
Improper beam
colour
Wrong fitting Replace fitting with one of the proper colour.
Short lamp life Too high current (lamp will have
black burns)
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 assembly 1. Open light assembly.
2. Clean, dry, inspect or replace damaged
components.
Defective lamp or lamp bulb
touched with bare fingers (lamp
interior will have a yellow-white
powdery appearance if air has
entered through a hole or crack)
1. Replace lamp.
2. If used, replace film disc cut-out.
Troubleshooting
table