mectron compact piezo LED Installation Manual page 40

compact piezo LeD
LED
Red LED flashing
7.2 Troubleshooting Quick Guide
Problem
the device is switched on
but not working. the red
LeD is on (apc - automatic
Protection Circuit activated).
the device is switched on
but not working. the red LeD
is flashing (APC - Automatic
Protection Circuit activated).
the device is switched on
but not working. the red
and green LEDs are flashing
alternatively.
During operation,
handpiece emits a slight
whistle.
34
Device Powered With Pedal Activation
Possible Cause
Handpiece not connected to
the cord.
a wire in the cord is
disconnected.
Faulty Handpiece.
malfunction of the tuning
circuit.
insert tip not present or not
properly tightened on the
handpiece.
the insert tip is worn, broken
or deformed.
Handpiece/cord contacts
wet.
power supply is too low
power supply is too high
potentiometer not connected
the insert tip is not
properly tightened into the
the
handpiece.
the irrigation circuit has not
been completely filled
Description
• tuning scan failed protection activated:
• insert tip not present or not properly
tightened on the handpiece;
• the insert tip is worn, broken or
deformed;
• Handpiece/cord contacts wet.
connect the handpiece to
the cord.
contact an authorized
mectron Service center.
contact an authorized
mectron Service center.
contact an authorized
mectron Service center.
Unscrew the insert tip and
screw it back correctly using
the torque wrench.
Replace the insert tip.
thoroughly dry the contacts
with compressed air.
provide adequate power
supply
provide adequate power
supply
connect the potentiometer
properly
Unscrew and correctly screw
the insert tip back by using
the mectron torque wrench
(see chapter 4.4 on page
12 of the Use and
Maintenance Manual)
Fill the irrigation circuit
Solution