79
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
During operation, the furnace continuously monitors all the functions. 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
No.
Work can
continue
after the
error
Error
Text Error Message
2
yes
T < B
Enter an acceptable value for T.
7
yes
V13 < T2
Enter a lower value for T2 or a higher value for V13.
8
yes
L > T
Enter an acceptable value for long-term cooling L.
9
yes
V2x <= V1x
Enter an acceptable value for the vacuum-on temperature V1x or the
vacuum-off temperature V2x.
10
yes
V2x > Tx + 1°C
Change either the vacuum values or the holding temperature T.
11
yes
Incorrect values for V1x, V2x
Enter plausible values for V1x, V2x.
12
yes
L2>L1
Enter a lower value for L2 or a higher value for L1.
13
*,**
yes
Current temperature after start >
Tx + 80°C
Caution: Excess temperature! Program aborted; furnace head opens to cool
down the furnace.
14
*
yes
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.
15
yes
T3<T2
Enter a lower value for T2 or a higher value for T3.
16
yes
T2 < T1
Enter a lower value for T1 or a higher value for T2.
17
yes
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
yes
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 to replace 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
firing program
Firing chamber is too hot for the start of a firing program.
