PPC-2000 User’s Guide
Chapter 4: Troubleshooting
Doc.# 30002-00 Rev 2.3
Watlow Anafaze
147
15. Reset the controller and download the
AnaWin3
Snapshot.
Refer to
Resetting Closed-Loop Control Parameters on
16. Reload logic program stored variables.
Processor Module LEDs
Refer to the following descriptions of LED indicators when
troubleshooting the Processor module.
•
Status Green LED On:
Normal condition with logic
program stopped.
•
Status Green LED blinking four times per second,
on briefly (230 ms Off, 20 ms On):
Normal condition
with logic program running.
•
Status LED Off:
Indicates low power input.
Corrective Actions:
Check power connections.
Measure power output from power supply.
Disconnect I/O to check for excessive draw on power
supply.
•
Status Green LED blinking four times per second,
off briefly (50 ms Off, 200 ms On):
Seen at the
beginning of logic program download while previous logic
program is being erased.
•
Error 1 Orange LED and Error 2 Red LED on:
Indicates watchdog timeout — control program no longer
running.
Corrective Actions:
Cycle power to PPC-2000 system. Perform RAM clear; see
Resetting Closed-Loop Control Parameters on page 156
Replace Processor module.
•
Error 1 Orange LED on:
Indicates low battery or low
voltage from the power supply.
Corrective Actions:
Check to make sure the voltage on the power supply is 12
to 28Vdc.
Replace the battery. See
Summary of Contents for Anafaze PPC-2000
Page 2: ......
Page 14: ...Table of Contents PPC 2000 User s Guide viii Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 24: ...List of Tables PPC User s Guide xviii Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 36: ...Chapter 1 Overview PPC 2000 User s Guide 12 Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 112: ...Chapter 2 Hardware Installation PPC 2000 User s Guide 88 Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 184: ...Chapter 4 Troubleshooting PPC 2000 User s Guide 158 Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 296: ...Chapter 7 Specifications PPC 2000 User s Guide 268 Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 310: ...Appendix A Modbus Protocol PPC 2000 User s Guide 282 Watlow Anafaze Doc 30002 00 Rev 2 3...
Page 311: ...Doc 30002 00 Rev 2 3 Watlow Anafaze 283 B Appendix B Declaration of Conformity...
Page 319: ...PPC 2000 User s Guide Glossary Doc 30002 00 Rev 2 3 Watlow Anafaze 291...
Page 320: ...Glossary PPC 2000 User s Guide 292 Watlow Anafaze Doc 30002 00 Rev 2 3...