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
*, **
7
System
Temperature in the firing
14
Temperature too high for calibration; the furnace cools down! Start the program again later!
chamber > 410 °C at the
*
start of the calibration
program, i.e. too high
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
nein
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
Содержание Programat P300
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