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61 30 608 D3497
D3497
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076.01.09
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02 10.2018
27
Dentsply Sirona
8 Troubleshooting
Service Manual inFire HTC speed
8.2 Error without message on the display
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8.2.9
Error: Furnace triggers circuit breaker
Cause
Unsuitable circuit breaker.
Elimination
Install a 16 A K circuit breaker.
Use circuit breaker type C from serial no. 3000.
8.2.10
Error: Furnace triggers the circuit breaker in the fuse box
Cause
Heating defective.
Elimination
Check whether heating is jammed, measure resistance with ohmmeter:
R
o.k.
= 0.6 Ω
individual heating element = 0.1 Ω
Replace defective heating element (see "Replacing the heating element
[ → 29]“).
Call customer service.
Cause
Fault current circuit breaker is too sensitive.
Ω
Ω