Questions And Answers - TESTO 112 Instruction Manual

8.
This chapter gives answers to frequently asked questions.
Question
is lit (bottom right
in display).
Instrument switches
itself off automatically.
-----
Display:
Display reacts slowly
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Display:
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Display:
rEF Error
Display:
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Questions and answers

Possible causes
· Instrument battery is
almost spent.
Auto Off
·
is switched on.
· Residual capacity
of battery is too low.
· Probe is not plugged in.
· Probe break.
· Ambient temperature
is very low.
· Permitted measuring
range was undershot.
· Permitted measuring
range was exceeded.
· Reference measurement
out of tolerance of
±0.1°C
GlobalTestSupply
www.
8. Questions and answers 15
Possible solution
· Replace instrument
battery.
function · Switch function off.
· Replace battery.
· Switch instrument off,
connect probe and
switch instrument
back on again.
· Please contact your
dealer or Testo
Customer Service.
· Raise ambient
temperature.
· Keep to permitted
measuring range.
· Keep to permitted
measuring range.
· Please contact your
dealer or Testo
Customer Service.
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sales@GlobalTe