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Clearing the Temperature Alarm:
• Wait for the temperature to return to the normal op-
erating range stated in the "Specifications" section.
• When the tool reaches normal operating tempera-
ture, the tool will start the self-leveling process.
NOTE: The internal temperature of the tool may be
several degrees warmer than the ambient tempera-
ture. Allow 2 hours for the tool to reacclimate to the
new temperature before restarting.
Troubleshooting
• Startup Failure - If the leveling mode indicator
LED flashes in an amber color immediately after
the laser is turned on, this is a result of a system
error. Return the tool to an authorized MILWAUKEE
service center.
• Leveling Error - The Leveling Indicator LED will
flash red, and the alarm will sound. Ensure that the
laser is on a level surface and the job site is clear of
obstacles, any pressing of the buttons on the rotary
laser may trigger the bump alarm or releveling may
occur. If setting up in vertical orientation, check if it's
in the correct orientation. The laser will only work in
one orientation, with the keypad facing up and paral-
lel to the ground. Try pressing the Leveling Mode
Button to initiate Auto-Leveling. Try power cycling
the laser to clear the setting. If this fails, return the
laser to an authorized MILWAUKEE service center.
• Bump Alarm Too Sensitive - Ensure the laser is
on a level and stable surface. Try changing to a less
sensitive setting using a paired remote/receiver.
Clear the Bump Alarm by using one of the options
from "Clearing the Bump Alarm" section. If this
fails, return the laser to an authorized MILWAUKEE
service center.
• Temperature Alarm - If the red/green leveling mode
indicator LED is flashing, ensure the laser is within
the operating temperature range. Note that the in-
ternal temperature of the tool may be 5 - 10
than the ambient temperature. If stored in excessive
heat or cold, allow at least 2 hours to acclimate to
ambient temperature before turning on the tool.
• ONE-KEY™ Lock Out - The laser will turn on briefly
but shut down after ~15 seconds. The ONE-KEY™
indicator LED will be flashing red. This is an indica-
tor that the laser is locked out. Use the ONE-KEY™
app to connect and unlock the tool.
Pairing Failure:
• Ensure the remote/receiver is powered on, within
the distance range and in pairing mode.
• Avoid artificial overhead lighting on the remote/
receiver sensor.
• Avoid the laser projecting a beam onto the remote/
receiver sensor during pairing.
• Avoid transmitting devices
• Place the laser on a stable surface during pairing
to prevent interruption from bump alarms. For best
results, pair in the horizontal orientation.
• General Alarm - An alarm tone will play and the
leveling mode indicator LED will cycle through red,
yellow, and green. Return the tool to an authorized
MILWAUKEE Service Center.
NOTE: If all the recommended troubleshooting fails,
power cycle the laser with the power button. Try re-
moving/re-inserting the battery to restart the tool. If
the problem persists, return the laser to an authorized
MILWAUKEE service center.
ACCURACY FIELD CHECK
NOTICE
of each new laser and before exposure to jobsite
conditions. See "Accuracy Field Check" for in-
formation. Should any deviation from listed product
accuracy be found, please contact an authorized
MILWAUKEE service center. Failure to do so could
result in rejection of warranty claim.
Ambient temperature changes can impact laser ac-
curacies. For accurate and repeatable results, the
following procedure should be done with the laser off
the ground and placed in the center of the working
area. Abusive treatment of the laser, such as exces-
sive impacts from drops, can also lead to changes in
product accuracy. Therefore, it is recommended to
perform the "Field Check" procedure after any drops
or before completing any critical jobs.
NOTE: Accuracies and leveling times are measured
at ambient temperatures (68°F). Use of the tool at
extreme temperatures (even within the operating
temperature range) may negatively impact these
specifications.
A tripod for this operation is suggested. Use a dis-
tance of 100' between the center of the laser and a
wall. Ensure the area is clear of objects before doing
this operation. This procedure must be performed
twice to check the plane accuracy for both the X
and Y axes.
1. Mount the laser on a tripod.
2. Turn ON the laser by pressing the power button,
and wait for the self-leveling sequence to finish.
The leveling LED indicator will be solid green.
warmer
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3. Mark the center of the beam on the wall point I. If
the laser is not visible, use a compatible remote/re-
ceiver to find the plane and mark the center point.
4. Rotate the laser 180
to finish. Mark the center of the beam on the wall
(point II). Ensure point II is as vertical as possible
above or below point I.
7
Perform the Accuracy Field Check
procedure immediately upon unboxing
Influences on Accuracy
Leveling Accuracy for
Horizontal Orientation
100'
, and wait for the self-leveling
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