When the above symptoms are not removed even after the corresponding countermeasure has been taken,
the thermometer may have a fault. In such cases, contact the vendor from purchased the product.
Setting
–– "HOLD made Selections"
15
Symptom
Cause
Things to Check
Display dose not
appear.
Laser beam is not
radiated.
Measured value is
incorrect.
Measured value is
unstable.
The batteries have been exhausted.
Battery installation is incorrect.
Replace the batteries.
Re-install the batteries correctly.
The laser ejection exit is
stained.
Clean the laser ejection exit referring
“Body” of “Maintenance” described in page 16.
Voltage necessary for lighting
up laser beam is not satisfied.
Replace the batteries, (The -b- sign blinks.) or
re-install the batteries correctly.
The filter unit is stained. Clean the filter referring “Filter” of
“Maintenance” described in page 16.
Field of view is deviated
from the measuring object.
Center the laser beam on the measuring object by
referring “Field of View” described in page 9.
The measured object is
smaller than the field of view.
Adjust the measuring distance referring to the
“Field of view” described in page 9.
The thermometer is affected
by a nearby heating source.
Cut off the heat sources with a shield or such.
A shiny metal surface is
being measured.
This thermometer causes an error when measuring a shiny metal surface.
Perform measurement after putting optional blackbody tape onto the
object.
The thermometer is affected by
considerable temperature fluctuation.
Wait until the temperature of
thermometer stabilizes.
Troubleshooting
[Setting "HOLD mode Selections"]
q
Enter the setting mode for "HOLD mode Selections" according
to the procedure described in page 11.
w
Press
�
or
�
button in the setting mode to select ON or OFF.
The initial setting is OFF. (NOR HOLD)
e
Press SET/ENTER button to set ON or OFF.
r
In case of ON, "HOLD mode Selections" can be available.
Press
�
or
�
button to select the HOLD mode. (MAX or MIN).
t
Press SET/ENTER button to set the HOLD mode.
NOR HOLD : A value measured last is displayed.
MAX HOLD ("Hi" on display) : The maximum value is displayed
during the measurement.
MIN HOLD ("Lo" on display) : The minimum value is displayed during the measurement.
[MAX HOLD]
[MIN HOLD]
53008-E 12.5.12 1:12 PM ページ 14