6
OPERATING INSTRUCTIONS
ERROR MESSAGES
The thermometer incorporates visual diagnostics messages as
below:
ER2:
is displayed when the thermometer is exposed to rapid
changes in ambient temperatures.
ER3:
is displayed when the ambient temperature exceeds 32˚F
(0˚C) or 122˚F (50˚C).The tester should be allowed plenty of time
to stabilize in the working temperature.
ER5-ER9:
For all other errors it is necessary to reset the thermom-
eter. To reset, turn the tester off, remove the batteries, wait for a
minimum of one minute, reinsert the batteries and turn the tester
back on. If the error remains, contact the UEi Service Center.
Hi/Lo
: is displayed when measured temperature exceeds the
measurement temperature range in the specification section of this
manual.
Battery Replacement
When the batteries are too low for safe operation, the Low Bat-
tery
indicator will display.
• Slide the battery cover off the tester.
• Replace the batteries (AAA) 2.
• Replace battery cover.
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.com
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