
TROUBLESHOOTING
METROLED
USER
GUIDE
12
Problem
Possible cause
Possible Solu
ti
on
Unit is dead
no light
output from LED’s
Mains supply o
ff
.
Check supply and reinstate
Loose mains plugs
Check all plugs
Loode DC output wire or connec
ti
on
Check all connec
ti
ons
PSU failed. Check output with DVM
Replace PSU
Dimmer failed. Check inut and output with DVM.
Replace dimmer
LEDs on one track
not working but no
MetroLED dimmer
overload LED
Loose DC output wire or connec
ti
on
to that par
ti
cular track
Check all connec
ti
ons
Dimmer output channel failed. Con
fi
rm
by swapping output wires over
Replace dimmer or move channel wire
of faulty channel to working channel
LEDs on one track
not working
MetroLED dimmer
overload LED
illuminated
Track overloaded
Discve wire to
overloaded track at dimmer.
If LED ex
ti
nguishes, track is
overloaded. Remove LED
fi
tti
ngs un
ti
l overload
LED ex
ti
nguishes
MetroLED dimmer faulty
Discve wire to
overloaded track at MetroLED
dimmer. If LED remains
illuminated replace dimmer
LEDs on one part of
fi
xture/gantry not
working
Bad connec
ti
on on
rota
ti
ng joint
Inspect joint, check connec
ti
on
and ensure fully inserted
Faulty Rota
ti
ng joint failed cable
Open joint and inspect wire
connec
ti
ons, if broken, replace joint
LEDs won’t respond
to remote dimmer
controls
Bad connec
ti
on on
dimmer cable
Check connec
ti
ons
Faulty dimmer box
Replace dimmer box
Dimmer failed
Replace dimmer
Poor light output on
individual LEDs
Poor light output on
individual LEDs
Replace individual LED