Resistance Welder MULTISPOT MI-100-3
Troubleshooting
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7
Troubleshooting
7.1 Health and safety during troubleshooting
WARNING
People with insufficient skills may suffer injuries.
If you carry out troubleshooting and repairs yourself, you may encounter certain risks and
hazards that may entail severe injuries. Therefore:
−
Do not open the welder. Do not modify the welder. Do not try to carry out repairs yourself.
−
For any and all troubleshooting measures not explicitly mentioned and/or described in this
manual, you should call service personnel and/or contact the manufacturer.
−
Be sure to adhere strictly to the hierarchy of responsibilities defined in the table.
−
When you're in doubt: do contact service personnel / manufacturer.
−
If a damage does occur: minimise, contain and avert consequential damage.
NOTE!
In the event that problems occur more frequently due to above-average workloads, you must
adapt the inspection and maintenance intervals accordingly.
7.2 Error messages and troubleshooting tables
7.2.1
Problems displayed on the control panel
Error
Possible cause
Remedy
WHO should do it?
Welder does not
switch on.
Power cord not plugged in.
Plug in power cord.
Operator
If the power cord is, indeed,
connected, a mains fuse may
have been triggered.
Reset fuse.
Red LED is flashing.
Tool error.
Let the tool cool off or
exchange tool.
Operator
Mains disturbance.
Check fuses.
Green/yellow LED is
flashing
Mains disturbance.
Within tolerance range.
Operator
Yellow LED is flashing Significant mains disturbance
Check supply lines.
Electrician
7.2.2
Possible causes and remedies in case of unsatisfactory welding results
Symptom
Possible cause
Remedy
WHO should do it?
Weld spot too small
Weld current too weak.
Adapt welding
parameters.
Operator
Welding spot burns
up, excessive
spattering, sheets not
strong enough
Weld current too high.
Adapt welding
parameters.
Operator
Welding insufficient
Sheets may have been
insufficiently prepared.
“6.1.1”
Operator
