TESTO 606-1 Mode D'emploi page 17

Tips and assistance
Questions and answers
Question
Hi or Lo
Testing the instrument
function: Test: ok does
not light up
Meas. electrodes defective/
worn
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 at: www.testo.com
Possible causes/solutions
· Readings outside the measuring range (too high, too
low): Keep to the permitted measuring range.
· Residual capacity <10 min: Change batteries.
· Clean sensing electrodes and contacts on the top
of the protection cap.
· If the error message appears again, send the
instrument to Testo Customer Service.
· Send instrument to Testo customer service.
Tips and assistance 17