UFO Unidrive CC9, Product User Manual

Page: 10 / 16

Problem Probable Causes Remedy
[GENERAL]
System is dead
­ power LED (D) not lit
No light output from LED
Mains supply off Check supply and reinstate
Loose mains plugs Check plugs
Loose DC output wire or
connection
Check all connections
PSU failed - check output with
DVM Replace PSU
Driver PCB failure Replace driver
[GENERAL]
One output channel is dead
Power LED (D) is lit
Loose output wire to dead
channel or faulty/poorly fitting
power in on extrusion. Check
output with DVM Check all connections
Driver PCB failure Replace driver
[NO DIMMING MODE]
System is dead ­ power LED (D) lit
No light output
Current sink input link in place -
DIP switch 10 on Switch 10 off or remove link
Loose output GND wire or poorly
fitting power in on extrusion Check all connections
PSU failed - check output with
DVM Replace PSU
Driver PCB failure
Replace driver
[MANUAL DIMMING MODE]
Power LED (D) lit – func ti on LED (C)
not lit – output LED devices
illuminated but not dimming
Switch 10 off Switch 10 to on
Electronic potentiometers wired
incorrectly - wrong polarity Check polarity of connections
and reconnect correctly.
[0 ­ 10V DIMMING MODE]
Power LED (D) lit ­ func ti on LED (C) not
lit. Output LED devices illuminated but
not dimming
Switch 10 is off Switch 10 to on
[0 ­ 10V DIMMING MODE]
Power LED (D) lit ­ func ti on LED (C) not
lit. Output LED devices not illuminated
0-10V wired incorrectly - wrong
polarity Check polarity of connections
and reconnect correctly
0-10V control signal missing
check input with DVM Check all connections and output
of 0-10v controller using DVM
[0 ­ 10V DIMMING MODE]
Power LED (D) lit ­ func ti on LED (C) lit.
Output LED devices illuminated but
fl ickering
0V from 0-10V control signal is
missing Check all connections and output
of 0-10V controller using DVM
TROUBLESHOOTING
UNIDRIVE CC 9 USER GUIDE
10