2 KHZ INVERTER WEDLING POWER SUPPLY
990-057
D-1
APPENDIX D
ALARM MESSAGES
The HF2 Welding Power Supply has three types of Alarm Messages, those caused by:
•
Improper hardware inputs
•
Attempting to program invalid parameter values
•
Completion of a certain process.
For your convenience in locating a specific Alarm Message, the Alarm Messages are listed alphabetically.
Alarm Message
Description
Corrective Actions
ALARM
EMERGENCY STOP
An Emergency Stop signal was received
on the Power Supply Signals Connector.
Remove the Emergency Stop signal.
ALARM FIRING
SWITCH
Force-Firing Switch in the Weld Head
did not: Close within 10 seconds after the
first level of a 1-Level Foot Switch closed
or the second level of a 2-Level Foot
Switch closed. Stay closed during the
welding process.
Reduce the space between the upper electrode and
the parts.
Increase Weld Head Down Air pressure.
Lower Weld Head Downstop.
Replace Weld Head Force-Firing Switch.
Check Firing-Switch Cable connection between
HF2 Welding Power Supply and Weld Head.
Replace Weld Head Firing Switch
ALARM INPUT
SWITCH
Force-Firing Switch closed before the
HF2 was in the RUN State.
Release Foot Switch or Foot Pedal, then re-actuate.
CHAINED TO NEXT
SCHEDULE
The Step Counter has expired and last
weld schedule was selected.
Press [HELP] to turn off Buzzer. Select starting
weld schedule.
ERROR NEXT
SCHEDULE
Input error for Next Schedule
Valid weld schedule numbers are 1 to 127.
Schedule 0 can only be used as the first schedule
in a chain.
Weld/Repeat and Rollspot weld functions cannot
be used in a chain.
FEEDBACK RANGE
EXCEEDED
HF2 could not reach the set weld current,
voltage, or power level.
Reduce weld cable length. Increase weld cable
size.
Change Weld Transformer Model to a higher
voltage model.
FOOTSWITCH
ERROR
HF2 is reading an incorrect signal on the
Foot Switch Connector.
Verify the Foot Switch electrical connection.
Connect Pin 2 to Pin 3 on a user supplied 1-Level
Foot Switch.
ILLEGAL CODE
ENTERED
Illegal System Security Code was
entered.
To change the System Security Status to
Unprotected, enter the original code.
If the original code was lost, press and hold [ ]
and press [SAVE]. Release both keys.
