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12. Maintenance and Troubleshooting
12.1 Cleaning and maintenance
It is required that the fixture should be kept clean and well maintained to ensure its reliability. Its lifespan mainly depends
on the working environment and proper operation. Should you have any questions, please consult a technical engineer of
GTD Lighting.
Notes: Damage resulted from dust, smoke, oil or improper use is not covered by warranty.
Notes: Disconnect the fixture from AC power, and let it cool down for at least 15 minutes before opening the housing.
Make sure to use a soft cloth to clean the optical components, and be careful, as the coating is easily scratched. Do not use
any organic solvent such as alcohol to clean the reflector mirror, dichroic color filters or housing of the fixture.
If the lens is cracked or otherwise damaged, replace it immediately.
If the lamp becomes damaged or deformed in any way it must be replaced.
If the light from the lamp appears dim, this normally indicates that it is reaching the end of its life span and should be
changed at once. Aged lamps run to the extremity of their life might explode.
。
If fixture does not function, check the fuse on the power socket of the fixture. Replace the fuse of the same
specification if it is blown.
The fixture is equipped with thermal-protection device that will switch off the lamp in case of overheating. If this
happens, please check that the fans are not blocked, and clean them if they are dirty. Check whether the fans are
operational. If not, call a qualified technician.
12.2 Troubleshooting
Problem
Possible Cause
Suggested Correction
No response after
connected to A/C
power
Power switch not turned on.
Turn on power switch.
Take out the fuse and check if it is blown.
Locate the blown fuse. Remove the broken fuse.
Insert are placement fuse of the correct
amperage
Abnormal A/C input (A/C power socket,
power cables, luminaire power socket).
Replace AC power socket and power cables,
and then adjust power socket for proper
connection.
No DC voltage from switching power supply.
Check if the switching power supply has DC
voltage output. Replace the switching power
supply.
No response or
wrong response to
the commands of
the control system
DMX cables disconnected from fixture’s
DATA IN connector.
Connect DMX cable to the fixture’s DATA IN
connector.
Open circuit or short circuit fault in the DMX
cables.
Replace DMX cables as required.
Wrong DMX address for the fixture in the
control system.
Ensure the address in “Run setting > Address
Setting >Address” of the fixture is consistent
