Questions And Answers - Testo 735 Bedienungsanleitung

9.
This chapter gives answers to frequently asked questions.
Question
lights up
Instrument switches
off automatically.
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Display:
uuuuu
Display:
ooooo
Display:
Instrument settings are
no longer correct
If we are unable to answer your question, please contact your dealer or Testo
Customer Service. Contact details can be found on the guarantee card or on
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Questions and answers

Possible causes
· Instrument battery is almost spent.
Auto Off
· function is switched on.
· Residual capacity of the battery is too low. · Replace battery.
· Probe is not plugged in.
· Radio contact with radio probe is
interrupted.
· Probe break.
· Permitted measuring range
was undershot.
· Permitted measuring range
was exceeded.
· Power supply was interrupted for a
long time.
www.
Possible solution
· Replace instrument battery.
· Switch function off.
· Switch instrument off, connect probe
and switch instrument back on again.
· Switch radio probe on, if necessary
register radio probe again.
· Please contact your dealer
or Testo Customer Service.
· Keep to permitted measuring range.
· Keep to permitted measuring range.
· Re-enter instrument settings.
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9. Questions and answers 53
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