Error: Led On Control Panel Indicates Heating, But Furnace Does Not - Dentsply Sirona inFire HTC speed Service Manual

8 Troubleshooting
8.2 Error without message on the display
24
8.2.3 Error: LED on control panel indicates heating, but furnace
does not heat
Cause
Heating defective.
Elimination
Check whether heating is jammed, measure resistance with ohmmeter:
R = 0.6 Ω
o.k.
individual heating element = 0.1 Ω
Replace defective heating element (see "Replacing the heating element
[ → 29]").
Call customer service.
Cause
Controller board defective.
Elimination
Replace controller board (see "Replacing the controller board [ → 30]").
Call customer service.
Dentsply Sirona
Service Manual inFire HTC speed
61 30 608 D3497
D3497.076.01.09.02 10.2018