Troubleshooting, Symptom Problem Solution

D-1	TROUBLESHOOTING	D-1

	Observe all Safety Guidelines detailed throughout this manual

SYMPTOM

PROBLEM

SOLUTION


Connected extraction fan does not	Welding light insufficient to be	Position the hood closer to the arc. Check
start automatically.	detected by sensor.	the functioning of the sensor using a striker
		or bright light (or arc flash).
	Lens caps extremely dirty.	Clean or replace the lens caps.
	Automatic Start/Stop Arc Sensor	If the connected extraction system oper-
	damaged or defective.	ates correctly with the hood-mounted I/0
		switch, check the wiring of the Sensor into
		the hood-mounted switch. Replace the
		Sensor if necessary.
	Motor overload protection activated.	Check the overload; if tripped, let the
	(Starter/Overload in Mobiflex 200-M,	machine cool down for a few minutes and
	Thermal Relay with SF2400 Fan)	reset the overload.
	Fuse blown.	Check and replace if required.
	Connecting cable in arm damaged or	Check and replace if required.
	defective.
	Hood-mounted switch or Control	Check and tighten or replace if required.
	Board loose or defective.
	Transformer (in Control Box or	Check and replace if required.
	Mobiflex Control Panel) defective.
	Contactor (in Control Box or Mobiflex	Check and replace if required.
	Control Panel) defective.
	Wiring or connections loose.	Check all connections and tighten or repair
		if necessary:
		• At Control Board (under hood-mounted
		switch)
		• In Control Box (if using SF2400 Fan
		with K1669-2 Lamp Kit)
		• In Control Panel (in Mobiflex 200-M)

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

AUTOMATIC START/STOP ARC SENSOR

IM628 specifications

The Lincoln Electric IM628 is a cutting-edge industrial welding machine designed to meet the rigorous demands of various welding applications. With its robust features, advanced technologies, and innovative design, the IM628 stands out as a top choice for professionals in the manufacturing sector.

One of the main features of the Lincoln Electric IM628 is its multi-process capability. This versatile machine supports various welding processes, including MIG, TIG, stick, and flux-cored welding. This flexibility allows it to adapt to different materials and project requirements, making it suitable for a wide range of industrial applications.

Another significant characteristic of the IM628 is its user-friendly interface. The machine is equipped with a digital display and intuitive controls, which simplify the setup and operation for welders of all skill levels. The clear interface provides real-time feedback on settings, ensuring precision in the welding process and reducing the likelihood of errors.

In terms of power and performance, the IM628 boasts a high duty cycle, allowing for extended operation without overheating. With its powerful inverter technology, the machine delivers consistent arc stability and optimal performance across various welding tasks. Users can expect smooth operation and enhanced productivity, making it an ideal choice for high-volume environments.

Additionally, the IM628 incorporates advanced features such as automated settings and memory functions. Welders can save frequently used parameters, allowing for quick transitions between different jobs. This not only streamlines the process but also ensures repeatable results, which is crucial in production settings.

Safety is another priority for the IM628, with integrated features designed to protect both the operator and the machine. Overvoltage and thermal overload protection help to prevent damage and ensure safe operation. Furthermore, the machine is built with durable materials designed to withstand the demands of tough working conditions, enhancing its lifespan and reliability.

In conclusion, the Lincoln Electric IM628 is a versatile and powerful welding machine that combines advanced technology, user-friendly design, and robust safety features. Its multi-process capability and high duty cycle make it suitable for diverse applications, while its intuitive controls and automated functions improve efficiency and ease of use. For professionals seeking reliable performance and exceptional weld quality, the IM628 represents a solid investment in welding technology.