VIDEOJET 3140 - Page 55

Symptom Causes/Measures
No marking, although START
has been pressed.
• Check the encoder.
• Check the product detection.
• Check the working distance.
• Check the lens. Clean if necessary.
• Check the power setting of the parameter
set.
• Is the correct product registration select-
ed?
• Check the total working time of the laser
beam source.
• Check the external STOP signal (if exist-
ing).
• Error message "Shutter defect", exchange
the shutter.
Lopsided marking. • Check the laser position.
• Check the template.
Shifted marking. • Check the sensor position.
• Check the product carrier for accuracy.
Stretched/shrunk marking. • Check the encoder setting.
Faint marking. • Has the product been changed (e.g. di-
mensions, material)?
• Check the lens. Clean it if necessary.
• Check the working distance.
• Check the parameter set (power too low,
speed to high).
• Check the product (must be free from dirt,
water, dust, oil, etc.).
• Check the fume extractor (must be on and
suitable for the application).
Incomplete marking. • Check the product speed.
• Check the lens. Clean or exchange if nec-
essary.
• Check the product (must be free from dirt,
water, dust, oil, etc.).
• Check the encoder. If it is slipping increase
the tension of the encoder wheel.
09/17 - Index: AD [EN]
55
Videojet 3140/3340/3640/7 Malfunctions