Questions And Answers - TESTO 335 Instruction Manual

J. Questions and answers
50
J. Questions and answers
This chapter gives answers to frequently asked questions.
Question
Measuring instrument keeps
switching itself off or
instrument will not switch on.
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 could not answer your question, please contact your dealer or Testo Customer
Service. Contact details can be found on the guarantee card or on the Internet under
www.testo.com .
Possible causes
AutoOff function is switched on.
Battery spent.
Battery spent.
charged.
Gas output closed.
Remedy
Switch AutoOff function off
(see AutoOff , p. 30).
Charge rech. battery or connect mains unit
(see Operation , p. 15).
Charge rech. battery or connect mains unit
(see Operation , p. 15).
Discharge rechargeable battery fully (until
instrument switches off by itself) and then
charge fully.
Ensure that gas output is free