UEi Test Instruments DT222 - Manual (Page 11)

9
TROUBLESHOOTING
BATTERY REPLACEMENT
END OF LIFE
E-1 Thermocouple 1 circuit error or over range
Thermocouple 2 circuit error or over range
Over/ under operation temperature
Hardware error
* LCD display “---” disconnected or open thermocouple.
E-2
E-3
E-4
,,,
WARNING
If the symbol “ “ appears on the LCD,
please replace the battery immediately
• Turn off the instrument
• Remove the battery compartment
• Change the battery
• Replace the compartment cover
CAUTION: This symbol indicates that
equipment and its accessories shall be
subject to a separate collection and correct
disposal.