
£äÈ
TROUBLESHOOTING
Type of problem
Solutions
The display lamps do not light when
the device is started up
Switch on the unit with the main switch (36) and press the handpiece button,
Check the mains supply cord,
Check the office’s electric power supply,
Check the fuses and replace exclusively with the type of fuse shown on the back of the unit,
Send the unit to an approved EMS repair center.
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Audible alarm
A "high" beep sound:
Start-up,
A "low" beep sound:
End of treatment,
A double beep sound:
Interruption of treatment.
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Light intensity decreasing or inade-
quate as measured by the radiometer
Check that the light guide and the calibration sensor are clean. Take the light guide out and see that there are
no debris inside (don’t touch internal components with fingers),
Check the program selected,
Check that the light guide is correctly fastened,
Check light guide wear and replace if necessary,
Check light bulb and replace if necessary,
Check that the handpiece is correctly closed,
Send the handpiece and/or the unit to an approved EMS repair center.
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Water leak from reservoir
Check that the reservoir is correctly positioned,
Check the O-rings under the reservoir,
Send the reservoir and/or the unit to an approved EMS repair center.
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