
P. 6
Tecshow ION 740z |
•
Operation only allowed to qualified person,
damages due to unprofessional operation or re-
move 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
Maintenance
English version
Problems
Possible reasons
Checking or solutions
Device not power up
Powercon or power cable damaged
Faulty power supply
Change a good power cable to try
Replace new power supply
Pan/Tilt error or vibrate
Faulty Pan/Tilt PCB
Faulty opto sensor
Cable loosen
Replace PT001 PCB
Replace opto sensor OP001
Check the cable connect to OP001
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 and strobe channel at 255
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