Lincoln Electric 11226, 11124 Diagnostics Utility, select Monitor, Diagnostics Utility displays

E-7			TROUBLESHOOTING	E-7
	Observe all Safety Guidelines detailed throughout this manual
	PROBLEMS		POSSIBLE	RECOMMENDED
	(SYMPTOMS)		CAUSE	COURSE OF ACTION
		DEVICENET-PLC CONTROLLED SYSTEM
			4. Power Supply.	4. Verify that the DeviceNet bus power
				supply can supply sufficient current
				for the devices on the network.
			5. Expected Packet Rate.	5. Verify that 1000/(Expected Packet
				Rate) ￿ (scans per second). The
				DeviceNet tab of the Diagnostics
				Utility displays these values.
Output will not come on.			1. DeviceNet trigger not asserted.	1. From the DeviceNet tab of the
				Diagnostics Utility, select Monitor.
				The Monitor window will be dis-
				played. Verify under the "Produced
				Assembly" that "Trigger" is highlight-
				ed.
			2. Touch Sense command.	2. From the DeviceNet tab of the
				Diagnostics Utility, select Monitor.
				The Monitor window will be dis-
				played. Verify under the "Produced
				Assembly" that "Touch Sense" is
				NOT highlighted.
			3. Passive Mode.	3. The DeviceNet tab of the
				Diagnostics Utility displays the
				Power Wave’s passive mode status.
				If the status needs to be changed,
				select Configure, and make the nec-
				essary modification.
			4. Welding Cables.	4. Verify that welding cables are con-
				nected properly.
			5. Output Disabled.	5. From the DeviceNet tab of the
				Diagnostics Utility, select Monitor.
				The Monitor window will be dis-
				played. Verify under the "Produced
				Assembly" that "Disable Output" is
				NOT highlighted.
			6. Other modules faulted.	6. Verify no other modules are faulted
				(all system Status Lights should be
				steady green). Use Diagnostics
				Utility to display any current faults in
				the system.

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.

POWER WAVE® AC/DC 1000