Manual 0463 413 001 TROUBLESHOOTING 6-3
ITEM# GRAPHIC
SYMBOL
ERROR
CODE
Serverity Error Mes-
sage on
Display
Functional Circuit
Failure Explanation
Where displayed Possible Cause or Repair Action
20 Err 020 Critical GRAPHICS
ERROR
No Image found
in Flash
UI Display ReLoad the SPI Flash with correct
image.bin file. Still bad, replace the
display PCB
21 Err 021 Critical GRAPHICS
ERROR
The image read
from the flash is
corrupted
UI Display ReLoad the SPI Flash with correct
image.bin file. Still bad, replace the
display PCB
22 Err 022 Non-
Critical
"SAVE
FAILURE
RETRIEVE
FACTORY"
While saving user
memory (into
sectors 1-15) the
system makes
two attempts to
correctly store the
data into SPI flash.
If both times it
fails then displays
this message for
3 sec
UI Display Non-critical error. Corrected by
replacing the UI pcb.
23 Err 023 Non-
Critical
RETRIEVE
FACTORY
During Power ON
If fails 2 times
reading from valid
sector(1-15), then
Display this for
3 sec
UI Display Check if the SPI IC gone bad
Console errors
1 N/A N/A Flash CRC
Error
Internal to U15
MCU processor,
the bootloader has
read an CRC error
during loading of
main code. Sytem
will appear to be
ok but will not al-
low weld modes.
Console only,
CN8 Ctrl PCB
Synmptom is unit will not operate
in any weld mode. Because of a
bit error in the firmware. The sw
is in safe mode. Need control pcb
replaced to correct.
2 N/A N/A NVRAM Fail When values read-
ing from internal
NVRAM chksum
incorrect the unit
will use factory
defaults
Console only,
CN8 Ctrl PCB
Synmptom is user last operating
values are never recovered on power
up. If Persistent ctrl pcb replace-
ment, internal issue to the processor.
3 N/A N/A Watch Dog
Reset Oc-
curred
This indicates
software delayed
enough to cause
a violation or a
HardFault in the
processor oc-
curred.
Console only,
CN8 Ctrl PCB
Not a condition that should be seen
in the field, If seen report this condi-
tion to the design team for analysis.
If presistent replace the Cntrl pcb.
To Next Page
