TROUBLESHOOTING
21
UFO
LIGHTING
Problem
Probable Cause
Possible Solu
ti
on
No control over
dimming and/or
decora
ti
ve wheel
speed.
Unit is dead – no
light output.
Mains power
indicator on PSU and
LCD display are lit,
fans are running
Unit in 0
10V control mode but no 0
10V
control voltage present
Check 0
10v control voltage at controller and
reinstate
Fault on 0
1V cabling, reverse polarity or
open circuit
Check 0
10V cabling and repair/replace
Decora
ti
ve wheel
twitches
but does not turn
Unit in 0
10V mode but no 0
10V control
voltage present.
Check 0
10v control voltage at controller
and reinstate
TROUBLESHOOTING
-
0-10
V
MODELS
TROUBLESHOOTING
-
1-10
V
MODELS
Problem
Probable Cause
Possible Solu
ti
on
Dim level displayed
at 5%, dimmer
control
has no e
ff
ect
Current sink dimmer connected wrong
polarity
Check and correct polarity in all remote
dimming connec
ti
ons
Dim level displayed
at maximum,
dimmer
has no e
ff
ect
Open circuit on current sink dimmer
connec
ti
on/cabling
Check dimmer cabling and repair/replace
Incompa
ti
ble current source dimmer
Disconnect dimmer and check output
with DVM turning dimmer from minimum to
maximum – if there is a varying 0
10V voltage on
output, change the dimmer for a current sink type
Dim level changes
with remote dimming
but light output
range inaccurate or
reduced
Incompa
ti
ble current sink dimmer
Contact UFO
Содержание Comet Light Source
Страница 23: ...NOTES 23 UFO LIGHTING ...