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Troubleshooting Tips and Part # Information

Doboy HA-720 Hot Air Sealer
Following are recommended tips for troubleshooting problems.  You will also find a list of part numbers and descriptions for commonly used parts.

Troubleshooting Tips & Tricks*

Problem Possible Cause & Solution
One heat element does not get hot Heating Element wires may be loose or element is burned out.  Check connections at temperature controller.  If both are tight, disconnect and check for continuity across heat element  wires.  

Solution: If no continuity, replace Heat Element.

Neither heat element gets hot Temperature controller may be broken.

Solution: Refer to Temperature controller manual and replace if necessary.

* Machine troubleshooting & repairs should only be attempted by a qualified mechanic or electrician.  Power should always be disconnected prior to troubleshooting. 
Please see your factory instruction manual for additional troubleshooting tips.

Common Replacement & Wear Parts

Doboy Part # Description
292723 Heating Element w/ Cable
273656 Thermocouple
252463 #40 Carrier Chain (Specify Serial #)

Call Toll-Free with your Doboy Parts Order  1-800-785-6785

Can't find what you think you need?  Drop us an E-mail describing your application or fill out

our Information Request form.  We'll call you back to let you know what's right for you.

Phone Us: Main Office (717-764-6103) or Philadelphia Sales Office (267-218-0698)

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Last Updated: 03/06/2008