27
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.
In case of an error, the heater switches off for safety reasons.
The following error messages may be displayed:
Index Category Error
ERR Conti-
Error Message Text
No. nuation
possible
1
Entry
T < B
2
Enter a logical value for T
2
Entry
L > T
8
Enter a logical value for long-term cooling L
3
Entry
V2x <= V1x
9
Enter a logical value for the vacuum-on temperature Vx1 or the vacuum-off temperature Vx2
4
Entry
V2x > Tx + 1°C
10
Change either the vacuum values or the holding time T
5
Entry
Incorrect values for V1x, V2x 11
Enter a logical value for V1x, V2x
6
System Current temperature after 13
Excess temperature! Program aborted, furnace head opens to allow the furnace to cool down.
Start > Tx + 50 °C
*, **
8
Entry
T2 < T1
16
Enter a lower value for T1 or a higher value for T2.
9
System Power failure > 10 s during 17
A firing program in progress was interrupted for more than 10 s. The program cannot be continued!
a firing program in progress
10
Entry
T1 > V12
18
Enter a lower value for T1 or a higher value for V12
11
Entry
vV set, but V2 is
19
Pre-vacuum activated! V2 must be higher than B.
missing or invalid
12
System Error in the heating system 20
no
Check the heater fuse. If the fuse is O.K., contact your local Ivoclar Vivadent Service Center.
**
13
System Heating muffle very old
23
The heating muffle is very old. It is recommended to replace it. After the error message has been
acknowledged, a firing program may still be started.
14
System Heating muffle defective
24
The condition of the muffle is so poor that is has to be replaced immediately.
16
Entry
T is > B + 200 °C at the
26
Firing chamber too hot to start a firing program.
start of a firing program
17
System Furnace head cannot
27
The furnace head cannot be moved to the final position. It might be blocked by an external mechanical
be initialized
**, ***
source! If this is not the case, please contact your local Ivoclar Vivadent Service Center!
18
System The furnace head does not 28
The furnace head does not open/close correctly. The furnace head was manually moved or is obstructed.
reach the target position
**
The furnace head must only be moved using the keys intended for this purpose!
21
System
Necessary vacuum (xxxmbar) 33
The vacuum cannot be established. Check the seal of the firing chamber, vacuum hose, vacuum pump,
is not reached within 1 min.
pump fuse.
33
Entry
HV > H (H2)
110
Enter a lower value for HV or a higher value for H (H2)
35
Entry
„Share of the holding time 120
Activate the vacuum during the holding time Tx or deactivate HV.
with vacuum“ is activated,
but Vx2 does not
correspond to Tx or Tx+1
38
System Brief power failure during a 702
A firing program in progress was interrupted by a brief power failure. The program is continued!
firing program in progress
45
System Vacuum drop
801
An unacceptable vacuum drop has occurred.
46
System The vacuum does not
802
No vacuum increase could be measured. Check the following points: Is the firing chamber tight (no
increase (self-test)
contamination on the sealing surfaces)? Is the vacuum hose connected? Is the vacuum pump connected?
Is the fuse F1 o.k.?
75
System ATK2 calibration:
1302
Error during calibration. Sample may not be correctly inserted. Try again with a new sample and make sure
Pre-heating to 963 °C
**
the sample makes ampl contact.
79
Note
Calibration reminder
1310
Some time has passed since the last calibration procedure. Calibrate the furnace soon.
80
Note
Dehumidification reminder
1312
Some time has passed since the last dehumidification procedure. Dehumidificat the furnace soon.
Behaviour of the furnace in case of error
*
Furnace head opens when this error occurs.
** A program in progress is stopped.
*** The error cannot be acknowledged; the programs cannot be started.
