Chapter 7 - Diagnostics; Displays Fail To Light Up; Error Code; Broken Contact In The Cc-Mode - Enraf Nonius Sonopuls 492 Instrucciones De Manejo

7.1. Displays fail to light up

• Check if the mains adapter is connected to the
apparatus and mains supply.

7.2. Error code

The apparatus has discovered a fault during or after
the self test. The error code consists of a 3 digit
number and appears on the current intensity display.
Remove any applicators or cables from the output
sockets and switch the apparatus off and on again.
If the code re-appears, contact your supplier. The
apparatus is probably defective.

7.3. Broken contact in the CC-mode

When contact is broken in the CC-mode, the equip-
ment will indicate this with a beep-tone. In order to
avoid an unpleasant sensation for the patient, when
the treatment head or electrode is placed back onto
the surface that is to be treated, the current will ramp
down to 0. To continue the treatment, you will have
to set the current again.

7.4. Insufficient or no output current

• Check the patient cable for breaks or poor con-
tact.
• Ensure that the sponges are sufficiently wet.
• If necessary, use a salt solution.
• Clean the electrodes.
• Check for poor contact.

7.5. The contact control fails to operate

Check the contact control by placing the treatment
head in a bowl of water. It may be that the contact
control is working, but that the contact gel is inad-
equate. If several treatment heads are available, it is
possible to determine whether the problem lies in
the gel, the treatment head or the apparatus itself.

7.6. Front panel check

Switching the apparatus on with buttons [9] and [10]
pressed will turn all display segments on, allowing
you to check their operation. Pressing buttons and
operating the regulators should result in a beep. You
can only exit this mode by switching the apparatus
off.
46

CHAPTER 7 - DIAGNOSTICS