Mectron multipiezo Manual De Uso Y Mantenimiento página 75

NOTE: If necessary to reach the immunity test
level, the distance between the transmitter
antenna and multipiezo can be reduced to 1
m. The test distance of 1 m is allowed by IEC
61000-4-3.
12 TROUBLESHOOTING
12.1 Diagnostic System and Symbols on the Keyboard
multipiezo is provided with a diagnostic circuit that allows the detection of malfunctions and
viewing of their type on the touch keyboard by means of a symbol. Users, by using the following
table, are guided to identifying and the possible resolution of the malfunction detected.
Symbol on keyboard
WARNING: Portable RF communication
equipment (including peripheral devices such
as antenna cables and external antennas)
must not be used closer than 30 cm to any
part of the multipiezo device, including
the cables specified by the manufacturer.
Otherwise, there may be a performance
degradation of these appliances.
Possible cause
Cord electrical contacts wet
multipiezo handpiece not
connected to the appliance
Faulty handpiece
Tuning circuit malfunction
Insert not present or not
properly tightened on the
handpiece
Insert broken, worn or
deformed
Cord electrical contacts wet
TROUBLESHOOTING
Solution
Thoroughly dry the contacts
with compressed air.
Connect the handpiece.
Replace the handpiece
Contact an Authorised
Mectron Service Centre.
Unscrew the insert and screw
it back in correctly using the
Chapter
torque wrench (See
5.4 on page 23 ).
Replace the insert.
Thoroughly dry the contacts
with compressed air.
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