Lincoln Electric IM986 POWER WAVE i400 - Manual (Page 49)

E-12 TROUBLESHOOTING E-12
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
Analog Inputs donʼt respond or donʼt
respond quickly.
Gas purge not working.
1. Analog Scans Between Updates.
2. Analog In Active Selections.
3. Analog Hysteresis.
4. Passive Mode.
1. Out of gas.
2. Gas Purge not asserted.
3. Passive Mode.
4. Gas Lines.
1. The DeviceNet tab of the Diagnostics
Utility displays the POWER WAVE®ʼs
“Analog Scans Between Updates” and
“I/O Scans/Sec.” Verify that “Analog
Scans Between Updates” is ¼ of “I/O
Scans/Sec” value.
2. From the DeviceNet tab of the
Diagnostics Utility, select Configure.
Verify in “Analog Input Channels” that
the required channels are set active.
3. From the DeviceNet tab of the
Diagnostics Utility, select Configure.
Verify in “Analog Input Channels” that
the Hysteresis settings are all 0.
4. 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.
1. Verify there is gas available at the
input of the gas solenoid.
2. From the DeviceNet tab of the
Diagnostics Utility, select Monitor. The
Monitor window will be displayed.
Verify under the “Produced Assembly”
that “Gas Purge” is 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 nothing is obstructing the flow
of gas.