Maico MA 53 Operating Instructions Manual

Contents

Maico MA 53 Operating Instructions Manual Manual pdf 44 page image

Operating Instructions MA 53Geba_MA53_e_13a.doc 42 851 430/3 11/1111 Trouble shootingIf you should find that your instrument is no longerworking properly during a test run, please checkthe following points:Diodes in the buttons do not light up andthere is nothing to see on the LCD-display :Is the power cord plugged in correctly?Check the power fuses ♦.Disconnect the power plug, unscrew the fuses alongside the power cord socket and check thefuses. If the wire in the glass vial is broken, pleaseinsert new fuses (1 A slow blow).Diodes light up, but test tone is absent:- Green STIM LED  or  does not glow:- Press STIM bar  or  (When the diode illuminate and the tone isavailable, the device works in presenter mode).- Green STIM LED  or  does glow:- Is level control  or ↕ set to an audible level position?- Are the acoustic receivers connected to the correct socket?- Is the required receiver with button  or  selected - is the correct LEDilluminated?- Is the lead connecting the headphones, bone conductor or loudspeakerloose or defective?If your instrument still does not work properly after this short check, pleaseconsult your dealer or service center.Picture 47 power socket and fuses