Troubleshooting/Error Messages; Maintenance; 8A. Replacing The Batteries - ADC Adtemp 429 User Manual

7. Troubleshooting/Error Messages

LCD Display

8. Maintenance

8a. Replacing the Batteries

The thermometer comes with two 1.5v AAA (LR03) alkaline batteries. Replace
with two new AAA (LR03) batteries when the low battery symbol "
appears on the display.
The thermometer can continue to be used with the low battery symbol displayed
but the batteries should be replaced as soon as possible.
Cause
The temperature measured
is higher than:
1. Human Mode:
122°F (50°C)
2. Object Mode:
212°F (100°C)
The temperature measured
is lower than:
1. Human Mode :
50°F (10°C)
2. Object Mode :
32°F (0°C)
The operating temperature
is not in the range from:
60.8°F to 95°F
(16°C to 35°C)
Solution
Take the measurement
again. Follow the steps
in Section 5.
If necessary, clean the
sensor lens.
In the event of a repeated
error message, contact your
retailer or ADC's Customer
Service line at:
1-800-ADC-2670
Operate the thermometer
only between the specified
temperature ranges.
In the event of a repeated
error message, contact your
retailer or ADC's Customer
Service line at:
1-800-ADC-2670
"