Nelson N800iTM - Error Codes

Tucker GmbH, Mail / Post: Max-Eyth-Str.1, 35394 Gießen, Germany
Stud welding unit N800i
As of 24.08.2021
Manual part number: BE 1227
88
7.1 Error Codes
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
E ‐ ‐ ‐
E ‐ ‐ ‐: NO ERRORS
Really, no errors.
NA
E001
SHORTED CONTROL
CABLE‐FIX CONTROL
CABLE AND/OR GUN
The gun control cables were
shorted or the gun coil re‐
sistance is too low.
Shorted cable‐external wiring problem in
the gun circuit
‐See troubleshooting‐
E002
BROWNOUT CONDI‐
TION ‐ CHECK PRIMA‐
RY VOLTAGE
The input voltage dipped
low enough to drop out au‐
xiliary supplies. Welding is
stopped until power is res‐
tored so as to prevent inter‐
nal damage.
Brown out on input power line
‐See troubleshooting‐
E003
CAPACITOR VOL‐
TAGE IMBALANCE
The capacitors could not be
balanced for some unknown
reason. The difference
between the caps is greater
than 10% (usually around
30V).
Remove the upgrade to v1.02 software
‐See troubleshooting‐
E004
REGULATION ERROR‐
ARC WENT OUT
The control sensed that the
current was more than 50%
low and the control is apply‐
ing the maximum allowable
pulse width for 10ms.
Current sensor wiring or extremely high
load
‐See troubleshooting‐