Kemppi PROMIG EVOLUTION 501 Technical Manual page 18

Troubleshooting
PROBLEM
The wire feeding motor
M001 does not start,
when MIG gun switch is
pressed.
Wire feeding can not be
stopped, when PMT gun
with RMT-10 remote
controller is connected to
the feeder.
Remote controller (R10,
R20) does not work.
Solenoid valve Y001 is
not working: gas is
flowing all the time or
the gas is not flowing at
all.
POSSIBLE CAUSE
Start line wires are cross
connected.
Start line wires are cross
connected.
Defective remote
controller or short circuit
in the remote controller
cable.
LOCAL/GUN/REMOTE
-switch is in wrong
position or broken.
Faulty solenoid valve or
malfunction in the control
card A001.
REMEDY
Locate the cross
connection to the MIG
gun or to the Promig
Evolution and correct it.
Locate the cross
connection to the MIG
gun or to the Promig
Evolution and correct it.
Change or repair the
remote controller.
Check and correct
position of the
LOCAL/GUN/ REMOTE
–switch. Replace switch
if needed.
Check the control voltage
(24 VDC) of the solenoid
valve from connectors
X2/10 and X2/13. If
voltage exist, the solenoid
valve is faulty.