Datalogic Scanning DLL2020-WO manual Troubleshooting, Safety

24		Appendices
	Environmental
	Operating temperature	0°C ~ 40°C
	Humidity	0% ~ 95% RH (non-condensing)
	Safety
	Laser safety	IEC 825-1 (1993) Class 1, U.S. 21CFR1040 Class IIa
	Electrical safety	EN 60950 second edition
		UL1950 (third edition), c-UL (according CSA22.2.950-95)
	EM Compatibility
	Radio and TV interference	EN 55022 Class B (1994), FCC part 15 Class A (1992)
	Harmonic current emissions	EN 61000-3-2 (1995)
	EM-immunity	EN 50082-1 (1992) based on:
	ElectroStatic Discharge (ESD)	IEC 801-2 (1991)
	Radio frequency immunity	IEC 801-3 (1984) / ENV 50140 (1993)
	Electrical fast transient	IEC 801-4 (1988)

C. Troubleshooting

This section contains information on solving problems you may encounter when using the scanner. If troubles occur, take a moment to read the information in this section. However, before referring to the diagnostic tips make sure that the scanner is installed as described in Chapter 2 and that all cables are properly connected.