TM-246193 Page 31Invision 352 MPa
SECTION 8 − TROUBLESHOOTING
8-1. Troubleshooting Flowchart
Gather Information
Visual Inspection
Check Extranet
Pre-Power Checks
Check Input Power
Check OCV
For important service memos and software updates.
It is possible the issue has already been identified and
addressed by Miller.
Note stock number and serial number of machine.
What does the operator say is wrong?
What was the operator doing?
When and where does the problem occur?
Has any part of the system recently changed?
Check for signs of damage and for proper connections, gas
supply, cable routing, consumables, and wire feed system.
For inverter power sources that have unknown problems or
are not powering up.
Check for required input voltage, phases, and frequency.
Make sure power source and plugs are wired correctly.
Make sure engine speed is set to correct RPM.
Check open-circuit voltage for each process and polarity.
Check auxiliary power output if available.
Test machine under load with a load bank.
Test all system functions.
Perform a weld test when possible.
This flowchart is intended as a general guide only. Always read and follow the safety
information and specific instructions given elsewhere in this Technical Manual.
Trouble1_2018-04
Load/Function Test
To Next Page
Loading...
Need help?
General