1125100 WPC 1000 User Manual
5-14 Troubleshooting
DSV Interface and Lockout Relay Failures
- or -
Problem: The following errors indicate failures on the WPC 1000 Control board or the DSV/
Lockout Relay board. Error codes F70, F71, F72/H72, F73/H73, and F76/H76
indicate failures with the DSV driver logic on the Control board. Codes F74/H74,
F75/H75, and F77 indicate failures with the relays on the DSV/Lockout Relay
board.
Remedy: Press Reset/Select. If the error persists, contact Wintriss Tech. Support for
assistance or replacement of either board.
F70* through F77*
H72* through H76*
IMPROPER SAFETY RELAY REPAIR
If a relay fuses
• DO NOT reset the WPC 1000 to restart the machine.
• Remove the WPC 1000 from operation immediately and replace the DSV/Lockout relay board
before operating the press again.
Failure to comply with these instructions will result in death or serious injury.
F70 DSV relay driver A was not off at start of stroke
F71 DSV relay drivers A and B did not turn on properly or have shorted
F72 or H72 DSV Control Flip-flop is not functioning properly
F73 or H73 DSV Missing Pulse Detector window is not functioning properly
F74 or H74 DSV relay A or B did not close properly at start of stroke
F75 or H75 DSV relay A or B did not open properly at end of stroke
F76 or H76 Lockout relay driver did not turn on properly during testing
F77 Lockout relay check contacts were not closed before lockout relay
was turned on
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