User Manual

22
Application Note #480
www.lutron.com
®
Troubleshooting
Symptom Possible Cause
Probable Solution
After installation or
following a power failure,
the lights will turn ON
suddenly after the lights
have been manually turned
OFF.
The sensor takes up to 2 minutes to perform a
calibration following a power cycle. If the lights are
OFF and the calibration completes while the space
is occupied, the lights will turn ON.
Wait at least 2 minutes for calibration to complete.
Refer to the instructions.
Change Occupied Level to Preset. This will cause
occupancy detection to turn your unit ON to the last
light level. It is less likely that you will notice this issue
if you have selected this setting.
After installation or after
replacing the bulbs, the
lights may not turn ON
when turning ON the lights
manually or when the
space is occupied.
The Low‑End Trim setting may have to be adjusted.
Adjust the low-end trim from either the Shortcut
menu or from the APM menu. Refer to instructions to
change custom settings.
The bulbs may not be on the approved bulb list.
Use bulbs that have been approved. Find the
approved list for this product at
www.lutron.com/dimcflled
After installation or after
replacing the bulbs, the
lights may flash when
turning ON the lights
manually or when the
space is occupied.
The Low‑End Trim setting may have to be adjusted.
Adjust the low-end trim from either the Shortcut
menu or from the APM menu. Refer to instructions to
change custom settings.
The bulbs may not be on the approved bulb list.
Use bulbs that have been approved. Find the
approved list for this product at
www.lutron.com/dimcflled
After installation or after
replacing the bulbs, the
ILs may cycle, making the
dimmer appear to reset.
During this time, the lights
may not turn ON or the
lights may flash.
The Low‑End Trim setting may have to be adjusted.
Adjust the Low‑End Trim in the APM menu. Note: In
this scenario, the low-end trim cannot be adjusted
from the Shortcut menu. Refer to instructions to
change custom settings.
The bulbs may not be on the approved bulb list.
Use bulbs that have been approved. Find the
approved list for this product at
www.lutron.com/dimcflled
3-way switch does not
turn the lights ON.
Multi-location/3-way wiring may be incorrect.
Refer to wiring diagrams in instructions.
The Multi‑Location mode is set for Companion
Dimmer.
Change the Two‑Location Application mode to
Mechanical Switch. Refer to instructions to change
custom settings.
3-way switch may have a locator light.
Replace the 3-way switch with one that doesn’t have
a locator light.
After installation, IL 3 will
start blinking, then IL 2,
etc.
A Mechanical switch is wired to the blue wire but
the accessory mode is set to Companion Dimmer.
This causes the dimmer to think the toggle button
is being held and will activate the Delayed Fade To
OFF feature.
Change the Two‑Location Application mode to
Mechanical Switch. Refer to instructions to change
custom settings.
Lights do not turn ON
when space is occupied.
Sensor mode is set to Manual‑ON (Vacancy mode).
Refer to instructions to change custom settings.
Sensor mode is set to Auto‑ON Daylight Sensing
(ALD) and the light level in the room is too bright.
Turn the lights ON within 5 seconds upon entering
the room to change the daylight threshold.
Sensor does not have full view of room.
Move objects blocking the sensor’s line-of-sight.
Sensor mode is set to OFF‑While‑Occupied (OWO)
mode, and the unit was recently manually turned
OFF.
Refer to instructions to change custom settings, exit
room and wait for sensor to timeout, or manually turn
light back ON with
T
button.
Multi-location/3-way wiring may be incorrect.
Refer to wiring diagrams in instructions. Wiring of
a 3-way mechanical switch with this product is
different from traditional 3-way wiring.
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