Greenlee TG-150 Manual Del Usuario página 14

Operation (cont'd)
Troubleshooting
Code or Symptom
– – –
ERR
Battery icon
Blank display
Laser won't work
14
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Problem
Target temperature is
over or under range
Processor/EEPROM failure
Battery is low
Battery is dead
Low or dead battery
Ambient temperature is
above 40 °C (104 °F)
Action
Select target within
unit's specifications
Send unit to Greenlee for repair
Replace battery
Replace battery
Replace battery
Use the temperature gun in an area
with a lower ambient temperature