7
Maintenance
Operation only allowed to qualified person, damages due to unprofessional operation or
remove of any parts inside will not be considered in warranty service. There are no
serviceable parts inside the device or package, service only leaves to authorized dealers.
Never allow the optical components contact with oil, fat or any other liquid.
A regular clearance of the device is needed for long-term usage, this is very helpful to
maintain the lifetime and brightness need to use a soft and lint-free cloth to clean the optical
system, fan and air flowing tunnel.
Trouble shooting
Problems
Possible reasons
Solutions
Device not
power up
Powercon or power cable
damaged
Faulty power supply
Change a good power cable to try
Replace new power supply
LED off
Temperature protection
Fan not working
Faulty LED
Dimmer and strobe set at 0
Faulty power supply
Check the temperature from menu
Check the fan speed info from menu
Replace new LED
Set dimmer channel at 255 and strobe
channel at 0~5
Replace new power supply
Device not
response to
DMX
Faulty communication IC
Faulty display PCB
Wrong DMX addressing
Faulty DMX cable
Replace the IC with back-up one in the
display PCB
Replace new display PCB
Check the address and setting
Change to a good DMX cable
Fans not
working
properly
Head cover is pushing up to
the fan and hereby blocking
movement
Check if it’s possible to unblock the fan
Replace head cover
Light goes out
One or more fans are not
working properly
Set Fan mode to high, now check in
information the fan speed
this cannot be close to 0, if this is the case:
Check if the fan is blocked
Check the fan cable connections
Replacement of the fuse
Step 1: Unplug power cable from main power
Step 2: Unscrew the fuse holder out of the housing with a screwdriver
Step 3: Remove the broken fuse and replace with an exact same type of new fuse
Step 4: Insert the fuse holder back to the housing and screw tight and reconnect power
Summary of Contents for EXPO350A
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