Malfunctions; Error Messages From Electronic Components - Dentsply Sirona inFire HTC speed Operating Instructions Manual

11 Malfunctions
11.1 Error messages from electronic components
Error message
DEFECTIVE SENSOR
Sensor + <-> -
SECURITY TURN
OFF(safety shutdown)
SENSOR SHORT
DEFECTIVE
THYRISTOR
REPLACING THE
BATTERY (only for
devices with serial
numbers < 5000)
Long buzzer without LCD
screen, furnace door
does not close, program
does not start
50
11

Malfunctions

11.1

Error messages from electronic components

Error messages are displayed on the LCD screen. They are accompanied
by an acoustic signal.
Cause
Thermocouple not functioning
properly.
Furnace interior considerably colder
than room temperature or
thermocouple not functioning
properly.
Furnace temperature exceeds 1650
°C (3002 °F)
Temperature sensor defect
Defect in electronics
End of storage battery service life
reached
Door switch adjustment must be
corrected
Operating Instructions inFire HTC speed
Elimination
Call customer service.
Open door and wait until the heating chamber
has reached room temperature
Call customer service.
Switch the furnace off and let it cool down. Call
customer service.
Call customer service.
Call customer service.
Call customer service.
Call customer service.
D 3497.201.01.19.02 09.2017
Dentsply Sirona
61 30 459 D 3497