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0823 IH-10947
TROUBLESHOOTING
OPERATING ISSUE
CAUSES
RECOMMENDATIONS
Low or no
adhesive flow.
No heat.
Check to see that the electrical 120 Vac service is turned on.
Thermal fuse in the thermostat may have blown.
Shutdown procedure
was not observed.
Allow the glue gun to heat up for at least 30 minutes.
Plugged tip.
If the glue gun was left overnight, the tip may be plugged.
This may block adhesive flow and cause backmelt.
CAUTION! Do not force adhesive. Clear the tip with
a small nail or paperclip. Extrude the remaining
adhesive stick and one new adhesive stick to clear
the opening.
Backmelt.
Remove the clip and feeder from the track of the glue
gun. Push the existing adhesive stick back into the sleeve
approximately 3/4" with a new adhesive stick. Remove the
new adhesive stick before it melts and look into the black
sleeve. Look for a thin skin of adhesive around the inside of
the black sleeve. Scrape this skin toward the heat block.
CAUTION! Do not damage the black sleeve. Extrude
one adhesive stick to clear the sleeve.
To avoid backmelt, observe the start-up and shut-down
procedures. Do not force adhesive through the glue gun.
Dripping nozzle.*
Backmelt.
Refer to preceding paragraph on backmelt.
Contaminated
adhesive.
Keep adhesive clean and free of contamination.
*Thermal expansion may cause some dripping during start-up. This is normal.
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