Troubleshooting, Caution, Devicenet – Lincoln Electric IM840 ETHERNET_DEVICENET MODULE K2436-1 User Manual
Page 24

B-4
TROUBLESHOOTING
B-4
ETHERNET / DEVICENET MODULE
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
Output will not come on.
Gas purge not working
1. DeviceNet trigger being asserted.
2. Touch Sense command.
3. Passive Mode.
4. Welding Cables.
5. Disable Output.
1. Out of gas.
2. Gas Purge being asserted.
3. Passive Mode.
1. Using DeviceNet Observer select
Monitor under the DeviceNet
menu. Verify under Command
Input section that Trigger is high-
lighted.
2. Using DeviceNet Observer select
Monitor under the DeviceNet
menu. Verify under Command
Input section that Touch Sense in
not high lighted.
3. Using DeviceNet Observer select
Configuration under the
DeviceNet menu. Verify in System
Control that Enable passive mode
operation is not selected.
4. Verify that welding cables are con-
nected properly.
5. Using DeviceNet Observer select
Monitor under the DeviceNet
menu. Verify under Command
Input section that Disable Output
is not highlighted.
1. Verify the lines up to the gas sole-
noid has gas pressure.
2.Using DeviceNet Observer select
Monitor under the DeviceNet
menu. Verify under Command
Input section that Gas Purge is
highlighted.
3. Using DeviceNet Observer select
Configuration under the
DeviceNet menu. Verify in System
Control that Enable passive mode
operation is not selected.
DEVICENET