DENTSPLY thermaprep plus Instruction Manual Download Page 3

The oven is designed with two precision heating alerts: 

1.   First size LED button blinks:  The targeted temperature of the heat-

ing element was not reached within specified time (time-out).  Use 
the other heating element to warm the obturator.   
This may be re-set by turning the power off and turning the 
power on. If the error occurs again the oven should no longer be 
used and sent for repair.

2.   Second size LED button blinks:  The hardware safety circuit has 

been activated due to a failure in the heating element, causing 
overheating. This may be re-set by turning power off, discon-
nect the power cord, reconnect the power cord, and turn the 
power on. If the error occurs again the oven should no longer 
be used and sent for repair.

Clean oven after each use. Any gutta-percha remaining on the 
holder or in the heating chamber may be effectively removed with 
Orange Solvent (generic dental solvent) on a cotton pledget. Press 
and hold both buttons at once for 2 seconds to put the oven into 
the cleaning mode. This will cause both heaters to heat up to a 
medium temperature of 140°F/60°C. The indicator lights around 
the buttons will show that the heaters are on (constantly on). A 
signal “beep” and flashing indicator lights around the buttons will 
warn that the desired temperature has been reached. Disconnect 
the main plug and clean the heater chambers with a wire brush, as 
directed on the last page of the oven illustration.

To abort the cleaning mode without disconnecting the main plug and 
to enter the normal mode again press either button for 2 seconds.

1.  To prevent fire or electric shock, do not expose this product to 

moisture.

2.  Unplug the oven when not in use.

3.  Do not remove the cover of the oven.

4.  This oven is designed for use in the dental office. Do not use in 

any other environment.

5.  To reduce the risk of electric shock, do not remove cover; there  

are no user-serviceable parts inside.

6.  This oven is intended for use in heating gutta-percha coated  

obturators only.  Do not insert anything other than an obturator 
into the oven. 

7.  Changes or modifications not expressly approved by DENTSPLY 

Tulsa Dental Specialties could void the user’s authority to oper-
ate the equipment.

Voltage rating; 115VAC, 50/60 Hertz, range of the supply voltage 

+/- 10%,  power-save stand-by mode: 

<

1.5W normal use: 380W max 

Fuse Rating: 4AT 250V  
This equipment has been tested and found to comply with the limits for 
a Class B digital device, pursuant to part 15 of the FCC rules. These 
limits are designed to provide reasonable protection against harmful 
interference in a residential installation. This equipment generates, uses 
and can radiate radio frequency energy and, if not installed and used 
in accordance with the instructions, may cause harmful interference to 
radio communications. However, there is no guarantee that interference 
will not occur in a particular installation. If this equipment does cause 
harmful interference to radio or television reception, which can be de-
termined by turning the equipment off and on, the user is encouraged to 
try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to  
   which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Caution: Hot Surface 

Class II Equipment 

Caution: See Directions for Use 

Consult Instructions for Use 

Do Not Throw Away 

Manufacturer’s Information 

Technical  

Specifications

Explanation of  

Marking Symbols

NOTE: 

Precision Heating 

Alerts 

Cleaning Instructions

Warning

Precautions 

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