71
8. What If ...
This chapter will help you to recognize malfunctions and take appropriate measures or, if possible and acceptable, to perform
some simple repairs.
8.1 Error messages
The furnace continuously checks all functions during operation. If an error is detected, the respective error message is
displayed.
The acoustic signal and the error message can be acknowledged with the corresponding buttons.
The following error messages may be displayed. If there are any questions, please contact the Ivoclar Vivadent After Sales
Service.
Error /
Hint
Nr.
Work can
continue
after the
error
Error
Error Message Text
2
T < B
Enter an acceptable value for T.
8
L > T
Enter an acceptable value for long-term cooling L.
9
V2x <= V1x
Enter an acceptable value for the vacuum-on temperature V1x or the
vacuum-off temperature V2x.
10
V2x > Tx + 1°C
Change either the vacuum values or the holding temperature T.
11
Incorrect values for V1x, V2x
Enter plausible values for V1x, V2x.
13
*,**
Current temperature after start
> Tx + 80°C
Caution: Excess temperature! Program aborted; furnace head opens to cool
down the furnace.
14
*
Temperature in the firing
chamber > 410 °C at the start of
the calibration program, i.e. too
high.
Temperature too high for calibration. Furnace is cooling down! Try
restarting the program later.
16
T2 < T1
Enter a lower value for T1 or a higher value for T2.
17
Power failure > 10 s during a
firing program in progress
A program in progress was interrupted for more than 10 s. The program
cannot be continued.
18
T1 > V12
Enter a lower value for T1 or a higher value for V12.
19
yes
V2 < B
Prevacuum activated! V2 must be higher than B.
20
**
no
Error in the heating system
Check the heater fuse. If the fuse is O.K., contact your local Ivoclar
Vivadent Service Centre.
23
Heating muffle very old
The heating muffle is very old. It is recommended replacing it by a new
one. After this error message has been confirmed, a program may still be
started.
24
Heating muffle defective
The heating muffle is in such poor condition that it has to be replaced
immediately.
26
Temperature > B + 160°C at start
of a firing program
Firing chamber is too hot for the start of a firing program.
27
**,***
no
Furnace head cannot be initialized The furnace head cannot be brought to the end position. It might be
blocked by external mechanical influences! If this is not the case, contact
your local Ivoclar Vivadent Service Centre.
