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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 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 *, **
7 System Firing chamber temp. 14 Temperature too high for calibration. Furnace is cooling down! Try restarting the program later.
>410°C at the start of the *
calibration program -> too
high for calibration progr.
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.
15 System Temperature in the furnace 25 The furnace base is too hot! Make sure that the air vents of the furnace are clean and unobstructed.
base is higher than 65 °C Maximum temperature 65 °C
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!
19 System
Temperature > 1225°C (SW)
29 no Excess temperature! The temperature in the furnace head by far exceeds the acceptable temperature
or
> 1300°C (HW) *, **,
range (maximum temperature 1200 °C).
(8)
EXCESS TEMPERATURE ***
20 System The vacuum is not released 32 no The vacuum cannot be released. The vacuum valve might be dirty or stuck. Please contact your service
** technicians.
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.
22 System Write error in the 43 Error while saving firing program data to the internal memory.
firing program memory
23 System Read error in the firing 44 Error while reading firing program data from the internal memory.
program memory
24 System Checksum error in the 45 Invalid checksum of the memory for firing program data - the firing program data are written to the internal
firing program memory memory using the original values.
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