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J. Questions and Answers
This chapter gives answers to frequently asked questions.
Question
Measuring instrument keeps
switching off by itself or
Measuring instrument will
not switch on.
Display of the battery capacity Battery was often not fully discharged/
appears faulty
Failure report:
Pump flow rate to high
If we were unable to answer your question. please contact your distributor or Testo Cus-
tomer Service. You will find contact details in the Representatives and Worldwide Guar-
antee document or in Internet at www.testo.com .
Possible causes
Battery spent
charged.
Gas output closed.
J. Questions and Answers 51
Remedy
Charge the battery or connect the
mains unit (see Operation , p. 16).
Discharge battery fully (until instrument
switches off by itself) and then charge
fully.
Ensure that gas output is free
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