
TROUBLE
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
TROUBLESHOOTING GUIDE
Luminaire does
not stay where
positioned.
Set-screw at top of arm
Ensure screw (A) is in place
is too loose or has been
and tighten according to
removed.
instructions on page 9.
Arm knob is not tight
Tighten knob.
enough.
Set-screw at bottom of
Ensure screw (B) is in place
arm is too loose or has
and tighten according to
been removed.
instructions on page 9.
Screw (b) that attaches unit
Check screw (b) and tighten.
to mounting option is not in
place or is too loose.
Arm knob is not tight enough.
Tighten knob.
Mobile stand—small metal
Reassemble according to
post in hole in mobile stand
instructions on page 4.
base was not aligned
properly with hole in pole
during assembly.
Unit is not mounted level.
For wall mount, ensure unit is
mounted level. See mounting
instructions on page 5.
The unit wob-
bles or parts
appear to not
be connected
properly.
Entire arm/
luminaire
assembly
Bezel on front of
Check that tabs on bezel
luminaire is not attached
are aligned with those
or installed properly.
on white plastic housing.
(See lamp replacement instru-
ctions starting on page 9).
Luminaire
Transformer housing is
Push housing down as far as
not pushed down far
possible on mounting screws
enough on screws.
to make a tight connection.
Transformer
mounting
attachment
Mobile stand
difficult to
move
Casters are locked.
Unlock casters when moving
the unit.
Something is stuck to caster.
Clean casters if necessary.
Caster is broken.
Order replacement caster from
Welch Allyn.
16