Ivoclar Vivadent P300 - Manual (Page 17)

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4.4 Removing the furnace head
Before the hood (36) is removed, the furnace has
to be switched off and the power cord (16)
disconnected from the power socket (17).
1. Loosen and remove the knurled screw (37) of
the hood (36)
2. Remove the hood (36)
3. Disconnect the thermocouple plug (26)
4. Disconnect the heater plug (28)
5. Press the leaf spring (32) with a finger, lift off
the furnace head at the same time and
remove it
Make sure the furnace head
has completely cooled down
before it is removed (fire
hazard).
4.5 Initial start-up
1. Connect the power cord (16) with the wall
socket.
2. Put the On/Off switch (11) at the rear of the
furnace on position “I”.
The furnace will now automatically conduct a self-
test. The performance of all furnace components is
automatically checked. The display shows the
following indications during the self-test:
1 Status bar
2 Firing hours
3 SW version
4 Current supply voltage
If any component is defective, the corresponding
error number (Error xxx) will be indicated in the
display. If all components work properly, the
display shows the program selection.
Stand-by mode
After program selection (Ivoclar Vivadent or
individual programs), the stand-by display is
shown.
90 Program number and program group
91 Current temperature
92 Temperature increase (t)
93 Holding temperature (T)
94 Possible key options
4.6 Dehumidification
Before the first firing, the firing chamber should be
dehumidified using the dehumidification program.
90 92
94
91
93
3
2
4
1