Amada 300 Series, Operation Manual

Page: 55 / 80

CHAPTER 4: SERVICE
SERIES 300 FAST RESPONSE WELD HEAD SYSTEM
990-115 4-3
Alarm Message Description Corrective Actions
HEAD NOT READY
Foot switch was actuated before the end of the
OFF time calculated by the Weld Head
Control for the weld schedule.
Reactuate the foot switch at the end of the
OFF time.
NO RESPONSE FROM
THE HEAD Weld Head is not responding to the Weld
Head Control.
1. Tighten the weld head to Weld Head
Control cable.
2. Contact your authorized service agent for
technical assistance.
NO SAMPLE DATA
EXISTS
No setdown displacement data is available to
display because the last weld schedule used is
not the current weld schedule.
To display the setdown data graph, make a
weld with the current weld schedule.
NO WELD MATERIAL
The upper electrode has traveled to 0.005 in.
(0.12 mm) above the lower electrode and has
not encountered weld material.
1. Insert weld material.
2. Reposition the electrodes.
POSITION
CALIBRATION IS OFF The position setting and position reading
differ by more than 0.015 in. (0.38 mm). Recalibrate position with the CALIBRATE
selection on the MAIN MENU.
SAVE ERROR
Weld Head Control could not save the weld
schedule. Contact your authorized service agent for
technical assistance.
SCHEDULE LOCKED
System is protected and the schedule is
locked.
Unlock the schedule as follows:
1. At the MAIN MENU, access the SYSTEM
SECURITY selection.
2. Enter your security code and change
SCHEDULE LOCK to OFF.
SEARCH POSITION
TOO LOW Specified search position is lower than the
lower limit of 0.005 in. (0.12 mm). Reset the search position above the lower
limit.
STANDBY REMOTE
SCHEDULE
The Weld Head Control is waiting for external
equipment to input a weld schedule number
code via the CONTROL SIGNAL INPUT
connector (see Appendix B).
Refer to the user’s manual for the external
equipment.
UPSTOP POSITION
TOO HIGH
Specified upstop position cannot be reached. Enter a smaller upstop position value.
UPSTOP POSITION
TOO LOW Specified upstop position is lower than or
equal to the search position. Enter an upstop position value that is higher
than the search position value.
WELD TIME TOO
SMALL Specified weld time is less than the combined
delay time and follow-up time. Enter a weld time that is longer than the sum
of the delay time and the follow-up time.