Ivoclar Vivadent P300 - Manual (Page 29)

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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 Centre. 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 Centre, the warranty will expire immediately.
Please also refer to the corresponding warranty regulations.
Description Double-check Action
Vacuum is not released Is the vacuum released within Wait until the vacuum is released, remove object.
or only very slowly. approximately 30 seconds? Switch the furnace on and off again. *
Indication on display incomplete. *
Writing in the display is very Is the contrast properly set? Adjust contrast.
hard to read.
Display not illuminated Is the furnace properly connected according Correctly connect the furnace and switch it on.
to the Operating Instructions and switched
on?
Buzzer does not sound. Is the buzzer switched off Select tune 1–5.
(Tune 0)?
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. If it still does
not work properly, contact your local Ivoclar Vivadent
Service Centre.
Vacuum pump does not start working. Is the vacuum pump fuse defective? Check fuse and replace if necessary.
Was the maximum power consumption Use only the vacuum pump recommended by
exceeded? 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 Small cracks in the muffle are normal and do not
(hairline cracks)? 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 Small cracks in the insulation do not negatively influence
(hairline cracks)? 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 Switch off the furnace. *
quartz glass sheathing the heating wire broken?