Ivoclar Vivadent EP5000-G2 - Manual (Page 36)

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8.2 Technical malfunctions
These malfunctions may occur without an error message being displayed.
* If there are any questions, please contact the Ivoclar Vivadent After Sales Service.
8.3 Repair
Repairs may only be carried out by a certified Ivoclar
Vivadent Service Center. Please refer to the addresses on
the last page of these Operating Instructions.
If repairs during the warranty period are not carried out by a certified
Ivoclar Vivadent Service Center, the warranty will be voided
immediately. Please also refer to the corresponding warranty
regulations.
8.4 Load factory settings
If you want to reset the furnace to its original settings, choose
Selection - Settings - Extended settings - Factory settings. All
programs, OSD settings, melodies, navigation settings and volume
control settings will be reset to the factory settings.
Description Double-check Action
Vacuum is not released or only very slowly
Is the vacuum released within approximately 30
seconds? Wait until the vacuum is released, remove object.
Switch the furnace on and off again *
Indication on display incomplete Activate the display test program *
Writing in the display is very hard to read Is the contrast properly set? Adjust contrast
Display not illuminated
Is the furnace properly connected according to the
Operating Instructions and switched on? Correctly connect the furnace and switch it on
Buzzer does not sound Is the buzzer switched off (Tune 0)? Select tune 1–5
Furnace head does not open
Was the furnace head moved manually? Open the furnace head only by using the
corresponding keys. Switch the furnace on and off
again.
Has the vacuum already been released? Is the program still running? Wait until the program
is complete. Switch furnace off and on again. *
Vacuum pump does not start working
Is the vacuum pump fuse defective? Check fuse and replace if necessary
Was the maximum power consumption exceeded? Use only the vacuum pump recommended by
Ivoclar Vivadent
Is the vacuum pump plug correctly connected? Correctly connect the vacuum pump to the furnace
base.
Final vacuum is not reached
Is the vacuum hose OK? Check vacuum hose and hose connection.
Is the pump output OK? Start the vacuum test program
Humidity/condensation in the vacuum hose? Start dehumidification program
Incorrect or illogical temperature indication
Is the thermocouple bent or fractured? *
Is the thermocouple correctly connected? Correctly connect thermocouple
Is the thermocouple plug defective? *
Hairline cracks in the heating muffle
Are the cracks very small and insignificant (hairline
cracks)? Small cracks in the muffle are normal and do not
negatively influence the function of the furnace.
Are the cracks large or have parts of the heating
muffle broken off? *
Cracks in the insulation
Are the cracks very small and insignificant (hairline
cracks)? Small cracks in the insulation do not negatively
influence the furnace
Are the cracks large or have parts of the insulation
broken off? *
Cracks in the quartz glass / heating element
Are there cracks in the quartz glass or is the quartz
glass sheathing the heating wire broken? Switch off the furnace. *