10. Questions and answers
16
9. Service and maintenance
9.1 Changing the batteries
1 Use a slotted screwdriver to undo the
screw on the battery compartment.
2 Open the battery compartment.
3 Insert batteries (2x type AAA). O
Observe
the polarity!
4 Close the battery compartment.
5 Tighten the screw.
9.2 Cleaning the instrument
Only use weak, commercially available neutral/ household cleaning
agents (e.g. washing-up liquid) to clean the instrument. Do not
use aggressive cleaning agents or solvent!
The housing and probe can be disinfected using an alcohol-
based spray. In doing so, always follow the manufacturer’s
instructions.
Clean the housing and probe under running water and rub dry
with a towel.
Clean the lens carefully with a cotton bud dipped in water or
medical alcohol.
10. Questions and answers
Question
Possible causes
Possible solution
lights up
Low battery
Change batteries.
IR measurement:
Measuring values
Keep to permissible
- - -
lights up.
outside measuring range
measuring range.
Contact measurement:
Valores de medición
Keep to measuring
- - -
lights.
outside permissible range
range.
Instrument cannot
Batteries dead.
Change batteries.
be switched on
Instrument
Instrument switches off
Switch the
switches itself off.
automatically after 10 min
instrument on again
in contact measurement mode
and after 1 min after switching
on in IR measurement mode.
If we have not been able to answer your question, please contact
your local dealer or Testo Customer Service. For contact details,
please visit www.testo.com/service-contact.
1.888.610.7664
www.
Testo-Direct
.com
