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TROUBLESHOOTING/ERROR CODES
Condition Possible Cause
Corrective Action
Consistent Low
temperature readings/
Displays “Lo”
Consistent high
temperature readings/
Displays “Hi”
Temperature reading
is above the
measurement range
(above 210.2°F or
99°C).
The thermometer measurement
range is 32° – 210.2°F (0° – 99°C)
Contact your physician if you have or
suspect any medical problems.
Consistent error
messages/Displays “Err”
Operating
temperature is not
within the permissible
range for
measurement.
The product operating range
temperature is 60°– 95°F
(16°– 35°C). Move to an area within
the above specifications, allow the
thermometer to adjust to the
environment and repeat temperature
measurement procedures.
Low battery warning Battery power
is low.
Replace battery. See the“Inserting
and Replacing Batteries” section of
this manual.
Low battery warning
with “Lo” symbol
Battery power is
too low for the
thermometer to
function.
Replace battery immediately. See
“Inserting and Replacing Batteries”
section of this manual.
Temperature reading
is below
measurement range
(below 32°F or 0°C).
The lens may be
dirty.
The thermometer
may not be
positioned properly.
The thermometer measurement
range is 32° – 210.2°F (0°C – 99°).
Contact your physician or if you
have or suspect any medical
problems.
Clean the lens gently with a cotton
swab with a small amount of
alcohol on it.
Repeat temperature measurement
procedures.
PRODUCT SPECIFICATIONS
Model Number
Model Number TI-150
Power Source 2 AAA batteries
Measurement Method Infrared
Measurement Range 32° – 210.2°F (0° – 99°C)
Accuracy
Person Mode: ± 0.4°F (±0.2°C) between 98.6°F –
102.2°F (36°C – 39°C); and ± 0.5°F (±0.3°C) at less
than 98.6°F (36°C) or greater than 102.2°F (39°C).
Object Mode: ± 5%
Memory Capacity 20 memories, 10 in person mode, 10 in object mode
Sleep Mode
1 minute after last button operation
Operation Environment
Temperature: 60.8° – 104°F (16° – 14°C) Humidity
up to 95%
Storage Environment
Temperature: -4° – 122°F (-20– 50°C) Humidity up to
95%
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Note: If the unit still does not work, contact HoMedics Consumer Relations. Under no
circumstance should you disassemble or attempt to repair the unit by yourself. Contact
information for HoMedics Consumer Relations Department can be found on the warranty
page. These specifications are subject to change without notice.