Stud welding unit N1500i
Version 1.31 7.June.2013
Manual part number: 729-110-027
28
Nelson Stud Welding, Inc.
• 7900 West Ridge Road • Elyria, Ohio 44035 • USA
Error
Number
Error Display
What this really means
Fatal – meaning you
have to power down to
reset. Otherwise, you
weld again to reset.
Likely problem
E008
PRIMARY OVERCURRENT
ERROR
A primary overcurrent occurred.
x
On-board control PCB failure
-See troubleshooting-
E009
NO GUN LIFT DURING PI-
LOT ARC PERIOD
The gun did not lift within the pilot arc
period
Shorted gun control cable, mechanical binding of
the gun, pilot arc pcb failure, or excessive contami-
nants on work surface.
-See troubleshooting-
E010
CAPACITOR VOLTAGE
COULD NOT BE READ
The sensed capacitor V-F signal is not wi-
thin the acceptable bounds.
Check V-F signal from Switch Boards
-See troubleshooting-
E011
UNIT TOO HOT PLEASE
WAIT
The thermal sensor was tripped. This er-
ror will disappear when the sensor resets.
Thermal sensor on output PCB heatsink has been ac-
tivated. Wait for it to cool down.
-See troubleshooting-
E012
SHORT CIRCUIT- CHECK
GUN LIFT SETTING
If a short circuit was detected for at least
100ms, the weld aborts to protect the
power unit.
Check the gun lift setting. Under normal welding
conditions, this should not happen.
-See troubleshooting-
E013
WELD FAILED –OUT OF TO-
LERANCE
The last weld was out of tolerance from
the target weld by weld energy or drop ti-
me.
The error display will determine and display the of-
fending parameter. Change the weld wetup accor-
dingly.
-See troubleshooting-
E014
NO STUD HIT DETECTION
The stud is expected to hit the workpiece
after the gun coil is de-energized, but be-
fore the main current is turned off. If it is
not detected, this error will occur.
Incorrect weld parameter setup. Check drop time,
weld time, and plunge time. Press LOCK button to
clear error.
-See troubleshooting-
