4 removing the furnace head, 5 initial start-up – Ivoclar Vivadent CS User Manual
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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	(ER	xxx)	will	be	indicated	in	the		
display.	If	all	components	work	properly,	the		
display	shows	the	stand-by	mode.
Stand-by mode
The	stand-by	mode	is	indicated	after	the	self-test.	
The	furnace	is	set	to	the	last	used	program.
90	 Program	number
91	 Current	temperature
92	 Status	of	furnace
93	 Program	name
94	 Material	name	
	
3
2
4
1
90
93
94
91
92
