Crestron CLS-EXP-DIMU, Installation Manual

Page: 8 / 10

iLux Universal Dimmer Expansion Module Crestron CLS-EXP-DIMU
Do the following to adjust the minimum dimming level:
1. Remove the cap from the FLUORESCENT OFF
THRESHOLD adjustment from the inside of the
cover (requires removing the cover as shown on
page 6).
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.
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
The load does
not turn on.
The controller is
not working.
Make sure the
controller is
powered on and is
one of the
compatible dimmers
listed in
“Specifications” on
page 1.
No power is
applied to the
HOT terminal.
Check the circuit
breaker. Check that
the green POWER
LED on the inside of
the unit is lit.
(Continued in following column)
CLS-EXP-DIMU Troubleshooting (Continued)
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
The load turns
on and off but
does not dim.
The controlling
unit is either not a
dimmer or has
been set to
non-dim.
Verify that the
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.
The
FLUORESCENT
OFF
THRESHOLD has
been set too high.
Refer to “Set the
Minimum Dimming
Level” on page 7.
The lights flicker
at certain
dimming levels.
Some types of
loads cannot be
dimmed below a
certain level.
Refer to “Set the
Minimum Dimming
Level” on page 7.
The lights do not
dim properly.
An incompatible
dimmer is being
used.
Make sure that the
dimmer is one of
those listed in
“Specifications” on
page 1.
There is audible
noise while
dimming.
The load is being
dimmed in the
wrong mode.
Refer to the list of
load types in the
table at the top of
page 7. 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 Autodetect, and
the improper mode
is being used, follow
the instructions on
page 7 to override
the Autodetect
setting and force the
unit to the proper
mode.
There is a large
incandescent
load.
Some incandescent
loads can make
noise when dimmed
due to the size of the
filament. Try a
different lamp
manufacturer.
The lights cannot
be dimmed
below a certain
level.
The
FLUORESCENT
OFF
THRESHOLD has
been set too high.
Refer to “Set the
Minimum Dimming
Level” on page 7.
8 • iLux Universal Dimmer Expansion Module: CLS-EXP-DIMU Installation Guide – DOC. 6682E