Troubleshooting
Problem | Probable Cause | Correction | |
1. | Low or no | No heat | Check to see that 120 VAC service is on. Thermal fuse in the |
| adhesive flow |
| thermostat may have blown. Use Repair Kit #9262. |
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| Shutdown procedure was not observed | Allow the applicator to heat up for at least 30 minutes. |
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| Plugged tip | If the applicator was left on overnight, the tip may be plugged. |
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| This may block adhesive flow and cause backmelt. CAUTION: |
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| Do not force adhesive. Clear the tip with a small nail or paper |
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| clip. Extrude the remaining adhesive stick and one new |
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| adhesive stick to clear the opening. |
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| Backmelt | Remove the clip and feeder from the track of the applicator. |
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| Push the existing adhesive stick into the white sleeve |
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| approximately 3/4’’ with a new adhesive stick. Remove the new |
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| adhesive stick before it melts and look into the white sleeve. |
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| Look for a thin skin of adhesive around the inside of the white |
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| sleeve. Scrape this skin toward the heat block. CAUTION: Do |
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| not damage the white sleeve. Extrude one adhesive stick to |
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| clear the sleeve. |
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| TO AVOID BACKMELT: Observe the |
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| procedures. Do not force adhesive through the applicator. |
2. | Dripping* Nozzle | Backmelt | Refer to preceding paragraph on backmelt. |
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| Worn Valve Assembly | Replace valve with Repair Kit #9234 |
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| Contaminated adhesive | Keep adhesive clean and free of contamination. |
*Thermal expansion may cause some dripping during