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E-10
TROUBLESHOOTING
E-10
POWER WAVE® i400
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Device goes off line during welding.
Output will not come on.
1. Interference / Noise.
2. Termination.
3. Shielding.
4. Power Supply.
5. Expected Packet Rate.
1. DeviceNet trigger not asserted.
2. Touch Sense command.
3. Passive Mode.
4. Welding Cables.
5. Output Disabled
1. Verify that DeviceNet cables are not
running next to (in close proximity
with) current carrying conductors.
This includes the welding cables, input
cables, etc.
2. Verify that the DeviceNet bus is termi-
nated correctly.
3. Verify that the cable shielding is cor-
rectly grounded at the bus power sup-
ply. The shield should be tied into the
bus ground at only one point.
4. Verify that the DeviceNet bus power
supply can supply sufficient current for
the devices on the network.
5. Verify that 1000/(Expected Packet
Rate) ≤ (scans per second). The
DeviceNet tab of the Diagnostics
Utility displays these values.
1. From the DeviceNet tab of the
Diagnostics Utility, select Monitor. The
Monitor window will be displayed. Verify
under the “Produced Assembly” that
“Trigger” is highlighted.
2. From the DeviceNet tab of the
Diagnostics Utility, select Monitor. The
Monitor window will be displayed. Verify
under the “Produced Assembly” that
“Touch Sense” is NOT highlighted.
3. The DeviceNet tab of the Diagnostics
Utility displays the POWER WAVE®ʼs
passive mode status. If the status
needs to be changed, select Configure,
and make the necessary modification.
4. Verify that welding cables are connect-
ed properly.
5. From the DeviceNet tab of the
Diagnostics Utility, select Monitor. The
Monitor window will be displayed. Verify
under the “Produced Assembly” that
“Disable Output” is NOT highlighted.