Tools FBW-Flat Butt Welding
10. Troubleshooting Guide
Symptom Possible cause Suggested solution
Unstable temperature
reading
Thermocouple Contact a qualified technician.
Welder overheating Thermocouple Contact a qualified technician.
Irregularity in the excess Belt not cut properly. Re-cut and re-weld.
Belt moves during
welding
Low quality double-sided tape. Use a high-quality double-sided tape.
Inadequate or uneven pressure on the
Crossbars.
Make sure the Crossbars have been properly tightened.
Refer to Welding Instructions.
Bubbles in the joint Welder Temperature is too high.
Ensure that the Temperature Controller has been
properly setup.
Insufficient pressure when closing the Pliers
after removing the Welder, or too slow an
action.
Perform a number of trial welds to improve closing
pressure and/ or speed.
Bad or inadequate joint
on “H” material belts
Pressing too hard when closing the Pliers
after welding.
Reduce pressure when closing the Pliers. Refer to
Page 14, Instructions for Welding “H” Material.
Too slow an operation when closing the
Pliers after welding.
Repeat the procedure to increase speed Refer to
Page 14, Instructions for Welding “H” Material.
9. General Tips
Before splicing “H” family belts, FELW 1.6, FELW-2, FRL 2 or belts with special adapters, it is strongly recommended that you
spend a few minutes practicing before welding the actual belt.
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