56
32
**
no The vacuum is not released The vacuum cannot be released. The vacuum valve might be stuck or dirty.
Contact a Service Technician.
33 Necessary vacuum (xxxmbar) is
not reached within 1 min.
The vacuum cannot be built-up. Check the seal of the firing chamber,
vacuum hose, vacuum pump, pump fuse.
110 HV > H (H2) Enter a lower value for HV or a higher value for H (H2).
150 Memory Error Internal memory error. Please restart the device
531 yes Error while trying to store firing
data
An error occurred while logging firing program data. The storage medium
may be full.
702 Brief power failure during a
program in progress
A program in progress was interrupted by a short power outage. The
program is being continued.
800 Final vacuum value not reached The set vacuum end value could not be achieved. Check the vacuum
pump.
801 Vacuum drop An unacceptable vacuum drop has occurred.
802 The vacuum does not increase
(self-test)
A vacuum increase could not be measured! Check the following points: Is
the firing chamber tight (no contamination on the sealing surfaces)? Is the
vacuum hose connected? Is the vacuum pump connected? Is the fuse F1 in
order?
803 The vacuum system is not tight "The tightness of the vacuum system is not given. Check the sealing
surfaces for possible contamination.
1501 yes Hint -> working hours The heating muffle has ****working hours. Please perform a heating test
(diagnosis) and follow the instructions on the display and in the Operating
Instructions.
1510 Temperature > VT at the start of
a firing program
The temperature of the firing chamber is higher than the predrying
temperature. To continue the programm nevertheless, press the Start
button.
1522 Software update:
Error during update.
An error has occurred during the software update. Do NOT switch off the
furnace and try again. If the error reoccurs, try conducting the update via
the USB interface.
1800 yes USB Stick No USB memory stick available.
1815 yes USB Stick There is no USB stick available or the stick is not prepared as an external
program memory. The USB stick can be prepared in the settings menu.
1820 yes USB Stick The USB memory stick is already prepared for programs.
1825 yes USB Stick Please unplug all USB devices and then just plug in the USB memory stick
to be prepared.
1830 yes USB Stick Not enough free memory.
1835 yes Media playback Playback of the file is not possible.
1900 yes Data backup – recover The new software contains setting options which were not yet available at
the time of the data backup. Only the existing settings of the data backup
were restored.
1901 yes Data backup – recover The new software contains program parameters which were not yet availa-
ble at the time of the data backup. Only the existing program parameters
of the data backup were restored.
1902 yes Data backup – recover The new software includes program groups which were not yet available at
the time of the data backup. Only the existing program groups of the data
backup were restored.
1911 yes Data backup – recover The new software includes program parameters which were not yet available
at the time of the data backup. Please check the individual program
groups. The individual programs are no longer valid.
1912 yes Data backup – recover The new software includes program groups which were not yet available at
the time of the data backup. Please check the individual program groups.
The individual program groups are no longer valid.
1920 yes Data backup – recover The data backup could not be performed. Please install a newer software
version.
* Furnace head opens if this error occurs!
** A program in progress is aborted
*** Error cannot be acknowledged; programs cannot be started.
8. What If ...
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