Care And Maintenance; Questions And Answers - TESTO 112 Instruction Manual

14

7. Care and maintenance

7. Care and maintenance
This chapter describes the steps that help to maintain the
functionality of the product and extend its service life.
Cleaning the housing:
â
Clean the housing with a moist cloth (soap suds) if it is
>
dirty. Do not use aggressive cleaning agents or solvents!
Changing the battery/rechargeable battery:
â
The instrument is switched off.
3
To open the battery compartment on the rear of the
1
instrument, push the lid of the battery compartment in
the direction of the arrow and remove it.
Remove the spent battery/rechargeable battery and insert
2
a new battery/rechargeable battery
(9 V monobloc). Observe the polarity!
To close the battery compartment, replace the lid of the
3
battery compartment in position and push it against the
direction of the arrow.
8.

Questions and answers

This chapter gives answers to frequently asked questions.
Question Possible causes
is lit (bottom right · Instrument battery is
in display). almost spent.
Auto Off
Instrument switches ·
itself off automatically. is switched on.
· Residual capacity
of battery is too low.
-----
Display: · Probe is not plugged in. · Switch instrument off,
· Probe break.
Display reacts slowly · Ambient temperature
is very low.
uuuuu
Display: · Permitted measuring
range was undershot.
ooooo
Display: · Permitted measuring
range was exceeded.
rEF Error
Display: · Reference measurement · Please contact your
out of tolerance of
±0.1°C
If we are unable to answer your question, please contact your
dealer or Testo Customer Service. Contact details can be found
on the Internet under www.testo.com.
8. Questions and answers 15
Possible solution
· Replace instrument
battery.
function · Switch function off.
· Replace battery.
connect probe and
switch instrument
back on again.
· P l e a s e c o n t a c t y o u r
dealer or Testo
Customer Service.
· Raise ambient
temperature.
· Keep to permitted
measuring range.
· Keep to permitted
measuring range.
dealer or Testo
Customer Service.