mectron COMPACT PIEZO LED - Page 39

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TROUBLESHOOTING
NOTE:IfnecessarytoachievetheIMMUNITY
TEST LEVEL, the distance between the
transmitting antenna and compact piezo LED
may be reduced to 1 m. The 1 m test distance
ispermittedbyIEC61000-4-3.
WARNING:PortableRFcommunications
equipment (including peripherals such
asantennacablesandexternalantennas)
should be used no closer than 30 cm ( 12
inches)toanypartofthecompactpiezoLED
device,includingcablesspeciedbythe
manufacturer. Otherwise, degradation of the
performance of this equipment could result.
7 TROUBLESHOOTING
7.1 DiagnosticSystem
compact piezo LED is equipped with a
diagnostic circuit that allows detecting
operating anomalies and to notify their type
on the control module via a red/green LED
light.
DevicePoweredWithoutPedalActivation
LED Description
GreenON The device is working properly.
Greenandredalternativelyashing
Installation issue:
• potentiometer not connected.
GreenandredON
During the previous work cycle the general
protection has been activated.
GreenONandredashing
During the previous work cycle the tuning
scan failed protection has been activated.
DevicePoweredWithPedalActivation
LED Description
GreenON The device is working properly.
Greenandredon Current limiter activated.
Greenandredalternativelyashing
Installation issue:
• Power supply too low;
• Power supply too high;
• Potentiometer not connected.
Red ON
Generalprotectionactivated:
• Handpiece not connected to the cord;
• Tuning circuit malfunction;
• Cord wire disconnected;
• Handpiece failure.