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Crestron CLS-EXP-DIMU iLux™ Expansion Module
2. Using a flat-head screwdriver, turn the
FLUORESCENT OFF THRESHOLD
adjustment counter-clockwise until it stops.
3. Set the CLS-C6 so that the light output is on but is
below the desired minimum level.
4. Turn the FLUORESCENT OFF THRESHOLD
adjustment clockwise until the light output is at the
desired minimum level.
5. Replace the cap.
Problem Solving
Troubleshooting
The following table provides corrective action for
possible trouble situations. If further assistance is
required, please contact a Crestron customer service
representative.
CLS-EXP-DIMU Troubleshooting
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Controller is not
working.
Make sure the
controller is
powered on, and is
one of the
compatible dimmers
listed in
“Specifications” on
page 1.
Load does not
turn on.
No power applied
to HOT terminal.
Check circuit
breaker. Check that
green POWER LED
on inside of unit is
lit.
Controlling unit is
either not a
dimmer, or has
been set to non-
dim.
Verify that dimmer is
compatible with the
CLS-EXP-DIMU
(refer to
“Specifications” on
page 1). Verify that
the controlling
channel has not
been programmed
as non-dim.
Load turns on
and off, but will
not dim.
FLUORESCENT
OFF
THRESHOLD has
been set too high.
Refer to “Set the
Minimum Dimming
Level” on page 6.
Lights do not dim
properly.
Using an
incompatible
dimmer.
Make sure that the
dimmer is one of
those listed in
“Specifications” on
page 1.
(Continued on following column.)
CLS-EXP-DIMU Troubleshooting (continued)
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Load is being
dimmed in wrong
mode.
Refer to the list of
load types in the
table at the top of
page 6. Check the
PHASE LED to
ensure that the load
is being dimmed in
the proper way for
the attached load
type. If the unit is set
to Auto, and the
improper mode is
being used, follow
the instructions on
page 6 to override
the Auto setting and
force the unit to the
proper mode.
Audible noise
while dimming.
Large
incandescent
load.
Some incandescent
loads can make
noise when dimmed
due to the size of the
filament. Try a
different lamp
manufacturer.
Lights flicker
when at certain
dimming levels.
Some types of
loads cannot be
dimmed below a
certain level.
Refer to “Set the
Minimum Dimming
Level” on page 6.
Lights cannot be
dimmed below a
certain level.
FLUORESCENT
OFF
THRESHOLD has
been set too high.
Refer to “Set the
Minimum Dimming
Level” on page 6.
Further Inquiries
If you cannot locate specific information or have
questions after reviewing this guide, please take
advantage of Crestron's award winning customer service
team by calling Crestron at 1-888-CRESTRON
[1-888-273-7876].
You can also log onto the online help section of the
Crestron website (
www.crestron.com/onlinehelp) to ask
questions about Crestron products. First-time users will
need to establish a user account to fully benefit from all
available features.
Installation Guide – DOC. 6682B iLux™ Expansion Module: CLS-EXP-DIMU • 7