11 Tips and assistance
Feature
Dimensions
Weight
Tips and assistance
Questions and answers
Question
is displayed (top
right on the display)
Instrument switches
itself off
Display responds
sluggishly
Display: ----
Display: OOOO
Display: UUUU
Display: BT Fail
Display: Print Fail
Display: Probe Fail
32
Value
Instrument: 171 x 60 x 28 mm
Probe: 180 x Ø12 mm
Cable: 1.5 m
268 g
Possible cause
Instrument battery is
almost spent
Auto Off function is
switched on
Remaining battery
capacity is insufficient
Ambient temperature is
very low
Sensor error
Permissible measuring
range has been
exceeded
Permissible measuring
range has been
undershot
Bluetooth connection
could not be established
Printout could not be
performed successfully
Probe damage
Possible solution
Replace instrument
battery
Switch off Auto Off
function
Change the battery.
Increase ambient
temperature
Please contact your
dealer or Testo
Customer Service.
Keep within the
permissible measuring
range
Keep within the
permissible measuring
range
Check Bluetooth
connections.
Restart measuring
instrument, restart
testo Smart App.
Check Bluetooth
connections.
Switch printer off and
then on again.
Please contact your
dealer or Testo
Customer Service.
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