IGBT CO2 - After-Sale Service and Warranty

70 Chapter 4 Maintenance
Ehave Series Full Digital IGBT CO
2
/MAG/MMA Multifunctional Inverter Welder User Manual
Starting arc
generation failure
Gas sending failure
Wire inching failure
Improper arc
starting
Unstable arc
Rough weld edge
Sticking between
wire and workpiece
Sticking between
wire and tip
Porosity
Fault Symptom
Check Content
Related Component or
Environment
○
○
○
The tip, nozzle, or welding torch pipe
is not connected firmly.
The connection to the wire feeder is
loose.
○
○
○
○
The cross-sectional area of the
power cable is too small.
The connection is loose.
The workpiece conductivity is poor.
Welding power cable on the
workpiece side
○
○
○
○
The surface is covered with oil stain,
impurities, or paint.
Workpiece surface
○
○
○
○
The cross-sectional area of the
power cable is too small.
The power cable is excessively
bent.
Extended power cable
○
○
○
○
○
The current, voltage, welding torch
angle, welding speed, or wire
stick-out length is inappropriate.
The difference between the
controlled waveform and the
standard waveform is excessively
large.
Welding conditions
Note: ○ indicates that the check must be performed.
4.4 After-Sale Service
Warranty Card
Each welder has a warranty card. Fill in the form on the card.
Read the information on the card and maintain the card properly.
Repair
Refer to Section 4.3.2 "Error Codes of the Welder and Solutions" and Section 4.3.3 "Rectifying
Welder Faults and Welding Process Issues" to perform preliminary troubleshooting or record
fault information.
Contact the local reseller when components must be repaired or replaced. Use only the
components or accessories provided or recommended by Megmeet.
Megmeet provides a one-year repair service for the welder. The service is available from the
purchase time recorded on the warranty card or invoice for the welder.
The warranty does not cover a product damage caused when the product is not used properly
by the user. However, such damage can be handled in the repair process.