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D3497
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076.01.09
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02 10.2018
8 Troubleshooting
Dentsply Sirona
8.2 Error without message on the display
Service Manual inFire HTC speed
Elimination
Install 30 mA circuit breaker.
8.2.11
Error: The furnace door does not close
Cause
Door sensor not seated correctly.
Elimination
Correct the position of the door sensor.
1. Loosen the screws marked with red paint (A) slightly and move the
door sensor down a few millimeters.
2. Re-tighten the screws (A) and check that the furnace is working
correctly. If the furnace door still does not close automatically after
program start without issuing an error message, move the door
sensor again by a few millimeters.
3. Check whether the furnace door is completely closed.