Troubleshooting – Sekonic Speedmaster L-858D-U Light Meter User Manual
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12. Troubleshooting
12.
Troubleshooting
If your meter is not operating properly, as you expect, please consult the following
conditions and attempt the suggested solutions before contacting Sekonic. Non-
operation can be due to incorrect, mis-setting of the meter or battery condition.
Should your meter be malfunctioning, please contact place where meter was
purchased or Sekonic for service and repair.
Condition
Possible reasons
What to do
The power does not turn
on. (No display)
Was the Power Button
5
pressed and held in for more
than one second?
Hold the Power Button
5
down
for more than one second.
Batteries installed properly (+/-)?
Batteries dead?
Replace the batteries. (
Battery terminals dirty?
Wipe them with a dry cloth.
Correct batteries being used?
Check the batteries.
The LCD screen doesn't
respond.
Is the screen locked?
Hold down the Menu Button
9
to
release the screen lock. (
The viewfinder does
not show the measured
value.
Is the light receiving method
Incident Light Mode? (The
display of measurement in
the viewfinder is available in
Reflected Light Mode only.)
Set the meter to Reflected Light
Mode with Function Button or
,
)
Can not measure.
Is it connected to a PC with the
USB cable?
Remove- the USB cable.
Have Measuring Button and
Memory Button Functions been
switched?
Check the Custom Setting
Function and switch the
buttons if necessary. (
,
Is the measured flash duration
time longer than the input shutter
speed?
Slower the shutter speed than
the flash duration time and