Dentsply Sirona inFire HTC speed, Service Manual, Page: 2 / 62

61 30 608 D3497
2
D3497
.
076.01.09
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02 10.2018
Table of contents Dentsply Sirona
Service Manual inFire HTC speed
Table of contents
1
Important information ............................................................................................... 5
1.1 General information....................................................................................... 5
1.2 Technical data............................................................................................... 6
1.3 Safety information ......................................................................................... 8
2
How does inFire HTC work? .................................................................................... 10
2.1 Functional diagram........................................................................................ 10
2.2 Description of the furnace ............................................................................. 11
3
Circuit diagram ......................................................................................................... 12
3.1 Up to serial no. 3000 ..................................................................................... 12
3.2 From serial no. 3000 ..................................................................................... 13
4
System overview ...................................................................................................... 14
4.1 Front view...................................................................................................... 14
4.2 Rear view ...................................................................................................... 16
5
Wiring diagram ......................................................................................................... 17
6
Tools......................................................................................................................... 18
7
Initializing the controller............................................................................................ 20
8
Troubleshooting........................................................................................................ 21
8.1 Error messages from electronic components................................................ 21
8.1.1 Error message: SENSOR BROKEN ................................................ 21
8.1.2 Error message: <->........................................................ 22
8.1.3 Error message: TURN-OFF ............................................................. 22
8.1.4 Error message: POWER FAILURE.................................................. 22
8.2 Error without message on the display ........................................................... 23
8.2.1 Error: Wrong time displayed............................................................. 23
8.2.2 Error: Furnace does not heat up although autostart program is
running
23
8.2.3 Error: LED on control panel indicates heating, but furnace does not
heat
24
8.2.4 Error: Controller board "forgets" the stored programs...................... 25
8.2.5 Error: Controller board "forgets" the time ......................................... 25
8.2.6 Error: No display reading, yellow pilot light of ON/OFF switch is on,
diode flashes briefly
25
8.2.7 Error: No display reading, yellow pilot light is on, diode is not lit...... 26