Troubleshooting - Kemppi PROMIG EVOLUTION 501 Technical Manual

Troubleshooting

PROBLEM
The Promig Evolution
doesn't work at all. Wire
feeding motor or
solenoid valve is not
operating. Panel displays
are not working.
The panel P001 (MC,
ML, MXE) in Promig
Evolution is not
operating properly or
control of the Promig
Evolution is not working.
The wire feeding motor
M001 does not start,
when torch switch is
closed.
POSSIBLE CAUSE
Fuse F2 6,3A in the
power source is blown.
The control cable is not
properly connected or
connector X1 in the
control card A001 is
loose or broken.
Control card A001 is
faulty
Connection cables
between panel and
control card A001 are
loose or they are cross
connected.
Faulty EPROM D4
(M27C4001).
Faulty panel P001.
Faulty switch, poor
connection in start lines
or problem with start line
wire insulators.
REMEDY
Change the fuse and
check that there are not
any short circuits in
control cable.
Check Promig operation
voltage +50 VDC from
the connector X1/1 and
X1/3. Check that all LED
indicators are
illuminating.
Replace the control card
A001, if needed.
Check that the connection
cables are connected
according to main circuit
diagram.
Replace the faulty
EPROM.
Replace the faulty panel.
Check the switch and
start line wires of the
MIG gun. Replace if
needed.