Leister VARIANT T1 Instructions D'utilisation page 34

FAQ
• Machine switches off automatically
– The machine is automatically switched off after a set time with Standby mode
(factory setting 40 minutes).
If needed, increase standby time (Page 33, 2. Profile Setup, 2.3 Standby Setup).
• Quality of the weld is defective
– Check drive speed, welding temperature and air volume
– Clean welding nozzle (9) with wire brush
– Welding nozzle (9) is set incorrectly
Carry out the adjustment of the welding nozzle (9) as follows
A
Allow welding nozzle (9) to cool down (Page 31, 1. Work Mode, 1.8 Cooling).
B
Loosen hexagon screws on device holder.
C
Carry out angular adjustment via swivel movements at hot-air blower (8).
D
The welding nozzle (9) must (arrow L) be located on the nozzle gauge (34) and (arrow R) on the substrate.
E
Tighten hexagon screws on device holder.
F
Move nozzle gauge (34) to position. Note scale on nozzle gauge (34)
G
Move hot-air blower (8) into welding position.
H
Loosen swivel axis adjustment screws (25).
I
Align hot-air blower (8) parallel to nozzle gauge (34).
J
Tighten swivel axis adjustment screws (25).
K
Remove nozzle gauge (34) and perform test weld.
A
G
• Failure to reach the set temperature (temperature display flashes)
– Check mains voltage
– Reduce air volume
– Reduce temperature
• Hot-air blower does not lock into welding position
– The ball pressure element must be set as follows:
– Allow welding nozzle (9) to cool
(Page 31, 1. Work Mode, 1.8 Cooling)
– Move welding nozzle (9) into welding position
– Tighten screw (30) slightly with a screwdriver, then
turn screw (30) back approx. 1/2 revolution.
34
Error – Cause – Remedy
B
C
H I
D E
R
L
J K
9
.
F
20 mm
40 mm
30