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APPENDIX E: ALARM MESSAGE LIST
CURRENT ERROR !!
HIGHER THAN LIMIT
VOLTAGE ERROR !!
LOWER THAN LIMIT
ALARM MESSAGE
ME-35A FINE SPOT WELDING POWER SUPPLIES
E-4
Current Upper Limit Exceeded.
When the weld is completed, the meas-
ured current value has gone above the
current monitor upper limit setting.
MR = 0:
END signal is output
at I/O connector
(refer to Appendix
B). Next weld can
begin.
MR = 1:
END signal is not
output at I/O
connector. Next weld
cannot begin.
Voltage Lower Limit Exceeded.
When the weld is completed, the
measured voltage value between the
electrodes has gone below the voltage
monitor lower limit setting.
MR = 0:
END signal is output
at I/O connector
(refer to Appendix
B). Next weld can
begin.
MR = 1:
END signal is not
output at I/O
connector. Next weld
cannot begin.
DESCRIPTION
Error Reset:
MR = 0:
Next START signal
auto-matically clears
error con-dition.
MR = 1:
Close RESET input
signal at I/O
connector.
Remedies: Check for problems in the
welding cables, work pieces, and the
weld head.
Error Reset:
MR = 0:
Next START signal
auto-matically clears
error con-dition.
MR = 1:
Close RESET input
signal at I/O
connector.
Remedies: Check for problems in the
welding cables, work pieces, and the
weld head.
CORRECTIVE ACTIONS
993-603 REV A: October, 1993
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