Troubleshooting - Greenlee THH-500 Manual De Instrucciones

Operation
AVOID EXPOSURE –
LASER RADIATION IS
EMITTED FROM THIS
APERTURE.
< 1 mW/630–670 nm
1. See Typical Measurements for specific measuring instructions.
2. Test the unit on an object with a known temperature.
• If the unit does not function as expected on an object of known temperature, replace
the battery.
• If the unit still does not function as expected, send the unit to Greenlee for repair.
3. Point the temperature sensor at the object to be measured. Press the On Button. The
temperature reading (C° or F°) will appear on the display.
4. Release the On Button. "Hold" will appear to indicate that the unit is holding the last
recorded temperature on the display. The reading will remain for 7 seconds.
Locating a Hot Spot
To find a hot spot, aim the thermometer outside the area of interest then scan across with an
up and down motion.

Troubleshooting

Code
—
Battery icon
Blank display
Laser won't work
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CAUTION
LASER RADIATION – DO
NOT STARE INTO BEAM
OUTPUT < 1 mW
WAVELENGTH 630-670 nm
CLASS II LASER PRODUCT
IEC 825/93
Problem
Target temperature is
over or under range
Battery is low
Battery is dead
Low or dead battery
COMPLIES WITH
FDA 21 CFR
SUBCHAPTER J
LASER LIGHT
DO NOT STARE INTO BEAM
CLASS 2 LASER
Select target within unit's specifications
Replace battery
Replace battery
Replace battery
THH-500
Action
7