SHOWTEC 50780, Manual

Page: 11 / 16

10
Ordercode: 50780
DB-1-4
Symptom
Solution(s)
Applies to
Lights
Foggers &
Snow
Controllers
Dimmers &
Chaser
Auto shut off Check fan thermal switch reset .
•

Beam is very dim or
not bright at all
Clean the optical system or replace a lamp. •

Breaker/Fuse keeps
blowing
Check the total load placed on the device • 
Chase is too slow
Check the user manual for speed adjustment.
•  •  • 
Device has no
power
Check the mains power supply.
Check the fuse. (internal and/or external)
•  •  • 
Fixture is not
responding
Check the DMX settings for correct addressing. Check
all connected DMX cables.
Check the polarity switch settings.
•

Fixture is on, but
there is no sound-
controlled
movement. Make sure you have the correct audio mode on the
control switches. If audio provided via ¼” jack, make
sure a live audio signal exists. Adjust the sound
sensitivity control.
•  •  • 
Fixtures reset
correctly, but all
respond erratically
or not at all to the
controller.
-The controller is not connected; please reconnect.
-3-pin XLR Out of the controller does not match XLR
Out of the first fixture on the link (i.e. signal is reversed).
Install a phase reversing cable between the controller
and the first fixture on the link
- One of the fixtures is defective and disturbs data
transmission on the link. Bypass one fixture at a time
until normal operation is regained: unplug both
connectors and connect them directly together Have
the defective fixture serviced by a qualified
technician
•
Lamps cuts off
sporadically
Possible bad lamp or the fixture is overheating. Lamp
may be at the end of its life. • 
Light will not come
on after power
failure
Some discharge lamps require a cooling off period
,before the electronics in the fixture can kick start it
again. Wait 5 to 10 minutes before the lamp is cooled
off and then power it up again.
•

Loss of signal
Use only proper DMX cables.
Install a 120Ω terminator on the last device.
Note: Keep DMX cables separated from power cables
or black lights.
•  •  •  • 
No flash
Re-install the bulb, it may have shifted during
shipping.
•

No laser output
The bounce mirror motor may have shifted during
shipping, readjust it accordingly.
•

No light output
Install a new bulb.
Fixture is too hot:
-Allow fixture to cool.
-Clean fan.
-Make sure air vents at control panel and front lens
are not blocked.
-Turn up the air conditioning
The power supply settings do not match local AC
voltage and frequency. Disconnect fixture. Check
settings and correct if necessary.
Contact a technician for servicing, if the problem
persists.
•

Relay doesn’t work
Check the reset switch.
Check all cable connections.
• 
Remote control
does not work Make sure the connector is firmly connected to the
device.
•  • 