Dr. Livingstone, I Presume WELDWISE 2400 - Manual (Page 118)

5. TROUBLE WITH VOLTAGE LEADS, READINGS OR CHANNEL 10-22
CALIBRATED VOLTAGE SIGNAL IS READING HIGHER OR LOWER THAN NORMAL
CALIBRATED VOLTAGE SIGNAL IS INDICATING A FROZEN (STATIC) READING
A/D READING IS “PEGGED” (+/- 32767)
A/D READING IS “FROZEN”
INACCURATE A-D READINGS (+/- 32767)
WELDS ARE RECORDED WHEN THE WELDER IS NOT WELDING
6. POSSIBLE SENSOR CABLE FAILURE 10-24
7 . TROUBLE WITH BIN SELECT OR ACCEPT/REJECT 10-25
THE BIN SELECT IS ALWAYS ZERO
THE BIN SELECT IS INCORRECT AND IS NOT ZERO
THE EXTERNAL BIN SELECT IS NOT WORKING CORRECTLY
ACCEPT/REJECT SIGNALS NOT WORKING PROPERLY
8. TROUBLE WITH HARDWARE 10-27
THE TRIGGER LED IS YELLOW
THE READY LED IS OFF
THE TRIGGER LED WON’T STOP BLINKING
THE READY LED IS RED
THE A/D READING ON THE MONITOR REMAINS AT THE MAXIMUM VALUE
THE A/D READING ON THE INPUT MONITOR IS “FROZEN”
THE DISPLACEMENT WINDOW CANNOT BE FOUND
0455-INS-400 Rev. C 10-2