
iLux Expansion Module
CLS-EXP-DIM
Installation Guide – DOC. 6638E
iLux Expansion Module: CLS-EXP-DIM
•
7
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-DIM Troubleshooting
TROUBLE
POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Load does not
turn on.
Controller is not
working.
Ensure the
controller is
powered on and is a
compatible dimmer
listed in
Load turns on
and off, but does
not dim.
Controlling unit is
either not a
dimmer, or has
been set to non-
dim.
Verify that dimmer is
compatible with the
CLS-EXP-DIM (refer
on page 1). Verify
that the controlling
channel has not
been programmed
as non-dim.
Fluorescent Off
Threshold
has
been set too high.
Refer to “Set the
Lights do not dim
properly.
Using an
incompatible
dimmer.
Make sure that the
dimmer is one of
those listed in
Lights are noisy
when dimmed.
Unsupported load
type is present.
See list of supported
load types. Change
load type or use
CLS-EXP-DIMU.
Large
incandescent load
is present.
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
Lights cannot be
dimmed below a
certain level.
The
Fluorescent
Off Threshold
has been set too
high.
Refer to “Set the
Further Inquiries
To locate specific information or resolve questions after
reviewing this guide, contact Crestron's True Blue
Support at 1-888-CRESTRON [1-888-273-7876] or, for
assistance within a particular geographic region, refer to
the listing of Crestron worldwide offices at
To post a question about Crestron products, log onto
Crestron’s Online Help at
First-time users must establish a user account to fully
benefit from all available features.
Future Updates
As Crestron improves functions, adds new features, and
extends the capabilities of the CLS-EXP-DIM, additional
information may be made available as manual updates.
These updates are solely electronic and serve as
intermediary supplements prior to the release of a
complete technical documentation revision.
Check the Crestron website periodically for manual
update availability and its relevance. Updates are
identified as an “Addendum” in the Download column.