If the condition is not improved by the above-mentioned solutions, the thermometer may be out of
order. Please contact the distributor where you purchased the unit.
Setting
–– "HOLD made Selections"
15
Condition
Cause
Solution
Nothing on display.
The laser will not
activate.
Measured temperature
value seems incorrect.
A displayed temperature
value is unstable.
The battery has run out of electricity.
Otherwise the battery is not installed
correctly in a battery compartment.
Replace the battery with a new one. Otherwise install the
battery correctly in the battery compartment.
A laser aperture is stained. Clean the laser aperture referring "Main Unit" of "MAINTENANCE"
described in page 16.
Voltage for laser is insufficient. Replace the battery with a new one. (A sign -b- blinks.) Other-
wise install the battery correctly in the battery compartment.
A 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 measuring object is
smaller than the field of view.
Adjust the measuring range referring to "Field of View" shown
in page 9.
Affected by a nearby
heating source
Block the heating source with a shielding plate or something
like that to avoid interference.
Measuring tenperature of a
shiny metal sarface.
The displayed temperature could differ from the actual temperature
of which surface is shiny or polished. Put a piece of optional black
tape on the measuring object, if possible.
The thermometer is affected by con-
siderable 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
쑴
or
쑶
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
쑴
or
쑶
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]
Ramco National
800-280-6933 | [email protected] www.optex-ramco.com
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