DARAY EXCEL, Installation Manual, Page: 32 / 40

Page 31 of 35
7. Troubleshooting Guide
Problem Possible Cause Corrective Actions
No light output
Power Supply
Check the power to the light is switched
on at the fused spur and the connection
between the light and the PSU are full and
secure. If they are, check the output of
the transformer with a voltmeter.
On/Off/Intensity
Button
Press the switch on the back of the
lighthead to check if the light will power
on (if dimmed attempt to change
intensity, if intensity doesn’t alter, please
refer to poor light output actions).
Fuses
Visually check fuses then check continuity
with a meter
Cables
Check the visible wiring and make sure
the connections between the light and the
downtube / PSU are fully connected.
Poor Light
output
Power Button
Please check the variable intensity is not
just set to its minimum. To do this hold in
the power switch on the back of the head
or use the infrared sensor. These are the
controls used to adjust the intensity. If
the light reduces more, simply remove
your hand and then repeat the process.
Voltage in
Verify that the correct mains voltage and
correct transformer is being used
Voltage out
Verify correct secondary voltage, nominal
when under load.
Light patch not
focused
Light head
In the unlikely event that this happens,
please contact Daray
Arm drift
sideways
Wall mount or
downtube
On installation the arm may not have been
vertically aligned and levelled. Please
check the alignment and contact the
original fitter if not level
Vertical drift
Spring-balanced
arm
This can be resolved following the
instructions in section 6 of this user
manual, if these instructions do not
resolve the issue, please contact Daray