how to debug OrCAD Allegro shape void priority error on split power plane
| Controller | PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS: 2026 |
|---|---|
| Category | Industrial Error Codes |
| Guide type | Procedure |
| Skill level | Beginner to intermediate field service tech |
| Time | 5 - 30 minutes including verification |
I was called out at 2am because Line 4 had a CNC throwing a how to debug OrCAD Allegro shape void priority error on split power plane alarm on PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 and the swing-shift operator could not clear it - the procedure most field service techs walk in 2026 when this exact alarm hits during a production run. My muscle-memory shortcut is to stop, photograph the alarm history screen, capture the controller hour-meter, and work the fault in the order below rather than chasing the symptom. None of these steps require pinging the OEM hotline first unless the cell is under active warranty.
What how to debug orcad allegro shape void priority error on split power plane actually involves on PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026
On PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 when this lands in my queue the tools I lean on first are Mentor PADS Verify Design dialog, Gerber viewer (Gerbv, KiCad Gerber Viewer) for fab-side cross-check, OrCAD Allegro Constraint Manager. Each of these surfaces a different layer of the fault - keep at least the first one in your fault-history notebook so the next time this happens you do not start cold.
For verification on PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026, the methods that survive contact with a real second-shift production workload are regenerate copper pour fills before final DRC pass and OrCAD PCB Editor Tools > Update DRC then Setup > Constraints recheck. Anything less than that and you are shipping on vibes.
Authoritative sources for PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 that I cross-reference before committing to a fix: altium.com/documentation/altium-designer/pcb/drc, ipc.org/standards (IPC-2221, IPC-7351), sw.siemens.com/en-US/product/pads-professional. OEM marketing brochures and trade-press writeups are signal, not ground truth.
The rest of this page is the structured fix path. Start with diagnose, then remediation, then the automation options so you do not have to do this by hand the next time it surfaces. Verify and safety sections at the end are the discipline that keeps the fix from regressing the next time you open the cabinet.
Diagnose first, fix second
Fifth: replay the failing run against a second axis or a second controller on the same PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 cell. The point is to isolate "this drive" from "this controller" from "the whole cell." If a teammate identical sister-machine works but yours does not, the failure is local to the parameter set or the encoder cable. If the same program faults on every controller in the same cell, you have a cell-wide config change or an OEM-side firmware quirk. Pin the controller firmware version explicitly while you do this: the controller About panel, the firmware hash in the parameter dump, or the system version returned by a SCPI *IDN? query. The version pin is what isolates "the OEM update broke us" from "this machine is on an older firmware than the rest of the cell."
Third pass: read the alarm code and the alarm message like an x-ray of your PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 cell. Servo faults (SRVO-023 servo overcurrent, SRVO-068 overheat, SRVO-014 motor overload) point at the drive, the cable, or the motor itself - 023 = instantaneous overcurrent during accel, 014 = sustained thermal overload during a heavy duty cycle, 068 = ambient or coolant fault on the drive heatsink. Axis or motion faults (4078 absolute position lost, OT001 over-travel, EX1043 spindle alarm) point at encoder battery, hardstops, or the spindle drive. Vision faults (Cognex In-Sight 5403 timeout, 5404 illumination, 5410 acquisition) point at trigger, lighting, or the GigE link. Cross-reference the alarm code against the OEM fault-code list - SCPI instruments will return the same hex code via SYST:ERR? that the front panel shows. If the same alarm cycles between SRVO-023 and SRVO-068 over a tight loop, the duty cycle is exceeding the drive thermal envelope - back off the feedrate or add a duty-cycle dwell.
Fourth: open the OEM service bulletin index for PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 and the upstream OEM hotline release notes for the failing window. The smoking guns are an open service bulletin touching the exact alarm class you are seeing, a recent retrofit kit covering the same symptom, or an OEM safety advisory on a partial firmware regression. Cross-reference the timestamp of your first faulted run against the bulletin issue date - if they match within the firmware revision window, stop debugging the cell and subscribe to the bulletin updates. Many OEMs lag the public bulletin index behind the actual field issue by weeks; if the OEM forum and the controls-community subreddits are both lit up but no bulletin is posted yet, trust the crowd and treat it as OEM-side until proven otherwise.
Field notes from real PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 callouts
The Electronics side of PCB Design and EDA Error Codes evolves slowly on paper and fast in firmware, a vendor manual from two years ago is almost guaranteed to miss the new alarm codes. In Electronics work the cost of guessing is measured in scrap and downtime, so I read the PCB Design and EDA Error Codes release notes before I touch a setpoint, every time, no exceptions.
My standing rule on any PCB Design and EDA Error Codes ticket is to baseline with KiCad 8 DRC engine with custom rules .kicad_dru before touching a single wire, half the "failed" parts I have replaced over the years were not actually failed. Last week on a graveyard shift I chased a phantom PCB Design and EDA Error Codes alarm for two hours before remembering ODB++ inspection in fab CAM tool would have isolated the bad channel in five minutes.
Tools I actually reach for
For most PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 faults I start with ODB++ inspection in fab CAM tool, fall back to Gerber viewer (Gerbv, KiCad Gerber Viewer) for fab-side cross-check, Altium Designer Violation Display with Highlight Net, Altium Designer Messages panel and PCB Rules and Constraints Editor, KiCad 8 DRC engine with custom rules .kicad_dru when ODB++ inspection in fab CAM tool cannot surface the answer, and keep IPC-2581 export verifier handy for the cases where neither answers. That ordering is not academic - it matches the layers of the fault as they tend to surface, so the cheapest signal lands first and the heavier tooling only comes out when the simpler answer does not hold up. My muscle-memory shortcut for this is to run the first tool while the alarm screen is still open, not after I have already cycled controller power.
Verification I run before I call it fixed
Before I mark a PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 fault resolved, the verification loop below is what I actually run. Each step proves a different layer is green, and the order matters - the cheaper checks gate the more expensive ones.
compare net count between schematic netlist and PCB netlist for parityIf that one comes back clean, move to the next check. If it does not, stop and dig in there before layering more verification on top of a red signal.
regenerate copper pour fills before final DRC passIf that one comes back clean, move to the next check. If it does not, stop and dig in there before layering more verification on top of a red signal.
Altium Designer Tools > Design Rule Check with all categories enabledIf that one comes back clean, move to the next check. If it does not, stop and dig in there before layering more verification on top of a red signal.
OrCAD PCB Editor Tools > Update DRC then Setup > Constraints recheckIf that one comes back clean, move to the next check. If it does not, stop and dig in there before layering more verification on top of a red signal.
run KiCad Inspect > Design Rules Checker and export the JSON reportOnly when every line above runs clean do I close the loop and update my fault-history notebook with the timestamps.
Where I check first when the docs disagree
When two sources contradict each other on a PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 detail, the disambiguation order I lean on is stable. I usually check altium.com/documentation/altium-designer/pcb/drc for the ground-truth view on this part of PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026. I usually check autodesk.com/products/eagle for the ground-truth view on this part of PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026. I usually check ipc.org/standards (IPC-2221, IPC-7351) for the ground-truth view on this part of PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026. I usually check kicad.org/help/documentation for the ground-truth view on this part of PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026. OEM marketing brochures and trade-press writeups are signal, not ground truth, and I treat them as such until the references above either confirm or contradict the claim.
Solution-focused remediation path
Before any destructive step on a PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 cell, slow down and stage rollback. Snapshot the current firmware revision, the current parameter set (PARAM PUNCH OUT, KUKA archive, Cognex job export), the current ladder and HMI screens, the current I/O mapping, and the current member-roster of teach pendants registered to the cell to a notes entry first. Capture the failing photo, the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 alarm history dump, and the timestamp window. Photograph the cell from two angles: the controller HMI showing the alarm, and the cabinet showing the drive status LEDs. Then do the destructive step (clear a parameter, swap a drive, remove a teach pendant, restore a backup) inside a maintenance mode or a sister cell first, never the production cell directly. Capture the firmware revision, the safety-PLC permissions, the connected-pendant list, the cell operator roster, and the relevant fieldbus log snapshot to your notes before the destructive step. Decision point: if the cell is under an OEM service contract, the cheapest correct path is almost always to open the OEM hotline in parallel with the rollback - the OEM service engineer can confirm whether an OEM-side firmware push is responsible while you are still staging the change, which avoids a needless parameter edit if the fix is in the next firmware revision.
For any PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 fault that smells like drive overcurrent or motor overload, walk the principle of least surprise chain in order. Confirm the workpiece mass and the tool inertia have not changed since the last known good cycle - "my program stopped finishing" reports often trace to a heavier blank or a longer tool that pushed the duty cycle past the drive thermal envelope. Confirm the feedrate and acceleration overrides at the HMI - many overcurrent alarms trace to an operator bumping rapid-feed to 150 percent for a "quick run." Check the coolant flow at the drive heatsink and the ambient temperature of the cabinet (a clogged filter or a failed cabinet fan raises ambient enough to trip SRVO-068 thermal alarms). Decision point: if the workpiece, feedrate, and cooling are all correct and the drive still faults overcurrent, swap the drive with a known-good sister unit to isolate drive vs motor vs cable, and capture the encoder feedback before and after the swap.
When the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 fault tracks to communications failures, fieldbus drops, or vision-trigger misses from the upstream station (the upstream PLC, the cell controller, the vision system), treat the integration plane as suspect. Open the fieldbus log on the upstream controller (the PLC EtherCAT diagnostic, the Profinet device status, the cell controller IO scan) and read the link status the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 node actually returned - most "vision did not trigger" reports are actually "trigger fired but the vision job rejected the part and the PLC stalled waiting for a Pass." Verify the connected node is still online (the OEM diagnostic shows green link), the trigger event is what you think it is, and the cycle interlocks are not blocking on a stale handshake. Decision point: if the trigger is firing but PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 is missing it, throttle the cycle (bump the dwell timer, slow the conveyor, add a debounce in the PLC) and re-run. Verify the connected fieldbus drop is the right one - a common foot-gun is the sister-station drop being patched to the wrong port at the cabinet.
Automate this fix so you do not do it twice
Scrape PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller alarm history + fieldbus log via scheduled job
For the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026, cell faults usually surface as drive alarms, fieldbus dropouts, or vision-trigger misses before a full line stoppage. A weekly scheduled job that exports the last 7 days of these events to CSV gives you a paper trail to correlate with firmware updates, parameter edits, and OEM bulletins without staring at the HMI live. Register the task via cron on a plant-floor logger PC (Linux IPC), Windows Task Scheduler (schtasks /create /XML) on an engineering workstation, or a GitHub Actions schedule against a cell-controller API, then write the CSV to a plant file share or the fab MES for retention. Subscribe a simple dashboard (Grafana with a CSV source, Ignition with a tag history, the fab MES OEE report) to the same bucket so alarm events from every PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller converge on a single view without per-cell HMI clicking.
# Export the controller alarm history via the OEM API (if supported)
curl -X POST https://controller.plant.local/api/v1/alarm_history \ -H "Authorization: Bearer $CONTROLLER_TOKEN" \ -H "Accept: application/json" \ -d '{"start_date":"2026-05-25","end_date":"2026-06-01"}' \ -o pcb-alarm-history.json
# Export the cycle history for the last 7 days
curl -G https://controller.plant.local/api/v1/cycles \ -H "Authorization: Bearer $CONTROLLER_TOKEN" \ --data-urlencode "oldest=$(date -d '7 days ago' +%s)" \ -o pcb-cycles.jsonMonitor + alert via PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 OEM diagnostic reports, alarm history, and plant dashboard ingestion
For the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026, the most useful long-running telemetry is the OEM diagnostic reports + alarm history shipped to a plant dashboard (Grafana with a CSV source, Ignition with a tag history, the fab MES OEE per SEMI E10, a Notion database via the API) and graphed on a single view. Pair that with synthetic monitoring (a small script that triggers the failing cycle or runs the failing test sequence every 5 minutes from at least two cells) so a fleet-level regression lights up before teammates report it. Subscribe the on-call inbox or a private Teams channel to the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 OEM service bulletin (Atom/RSS or vendor portal webhook) plus the OEM service-status handle so an open bulletin self-correlates with the synthetic failures.
# Tiny synthetic monitor - hit the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller health endpoint every 5 minutes
while true; do curl -s -o /dev/null -w "%{http_code} %{time_total} $(date -Iseconds)\n" \ -H "Authorization: Bearer $TOKEN" \ https://controller.plant.local/api/v1/me \ >> /var/log/pcb-synth.log sleep 300
doneCodify the firmware revision pin and rollback as a single notes entry
Once a stable firmware revision is identified for the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026, write the revision string, the build hash, and the parameter set state to a fault-history notebook entry with the date in the title. Reproducible rollback is then a single OEM utility load plus a parameter restore. Pin the parameter set state explicitly so an OEM-side default change does not silently shift behavior under you. Stage the notebook entry next to a checklist that lists the failing photo, the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 alarm history dump (if any), and the OEM case number; the second time the cell faults at 9 a.m. you do not want to be rediscovering which firmware revision was actually green.
# Fault-history notebook template (pcb)
Date: 2026-06-01
Controller: pcb
Working firmware: 30iB-Plus 02.20 (Build hash: a1b2c3d)
Cell: Line 4 Cell B
Machine serial: SN-pcb-12345
Failing photo: ~/notes/pcb-2026-06-01.jpg
OEM case: OEM-pcb-12345
Rollback path: load previous firmware from OEM utility, master OFF, restore parameter archive, power up
Common pitfalls and what to watch for
The deepest trap with PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 cells is treating a recurring class of alarm as a one-off incident. A drive overheat or a vision-trigger miss burst gets papered over with a power-cycle or a parameter reset, the cell runs for two weeks, and the exact same signature returns because the root cause was never identified. Codify every case in a fault-history notebook per machine, save the working firmware revision (the About panel) in the same note, and write the exact parameter set, I/O mapping, and fieldbus drop list into a checklist. After any major firmware update on PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 review the parameter set and the I/O mapping explicitly, since OEMs silently change defaults or add new safety interlocks between major releases.
The second half of this pitfall is confirming the fix on a single cell when the cell is part of a fleet. If you and three teammates run the same PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller on the same production line, an OEM-side firmware push tends to bite a whole batch within the same shift. Verify on every cell that runs the failing recipe, log the result and the firmware revision per attempt, and only then declare the class closed.
Verify the fix worked
- Reproduce the original faulting cycle against PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 on the same cell AND a sister cell with the same recipe. If the alarm or fault code still surfaces on any cell, you have not fixed it.
- Watch for 24 to 48 hours via the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller alarm history + the fieldbus log + your fault-history notebook. Cached fault states and stale fieldbus link state mask slow-burn drift and intermittent fieldbus issues.
- Smoke-test under realistic load: replay the cycle against a test workpiece for at least 30 minutes at your normal production feedrate, log success / alarm and the timestamp per attempt to a notes file.
- Capture the new state in a fault-history notebook entry so the next time this happens you do not rediscover it. Note firmware revision + parameter set + I/O mapping + failing photo + verbatim alarm string + fix applied. Push to a plant-wide maintenance wiki if your plant uses one.
- If the fix involved a maintenance-token rotation or a parameter set change, commit the new token to your password manager and photograph the parameter dump for archival.
Safety, rollback, blast radius
- Test in a PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 maintenance mode or on a sister cell first before any change that touches the production cell. Snapshot the firmware revision, the parameter set, the I/O mapping, and the safety-PLC permissions before changing anything.
- Apply the principle of least surprise when granting teach-pendant access or safety-PLC permissions. Review the operator roster against the people who actually need access - extra teach pendants are extra blast radius.
- Use idempotent cycles where the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS, 2026 controller supports it (the OEM cycle-id de-dupe, external id keys on MES records) so a re-run cycle does not double-count parts or duplicate scrap records.
- Know your rollback path. Firmware rollback is a one-line OEM utility load; a maintenance-token rotation is reversible if you kept the old token in the password manager during cutover; a parameter set change is reversible only if you saved the previous archive.
- For cell-wide or plant-wide changes, line up a maintenance window with production scheduling before pushing through the OEM utility.
FAQ
References
- OEM service manual for PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS: 2026 (official service bulletins, alarm code reference, safety case)
- Controls-community forums (r/PLC, r/Robotics, r/CNC, r/Fanuc, r/KUKA, r/Cognex, r/labview, OEM community)
- In-controller diagnostic help and the PCB Design and EDA Error Codes, KiCad DRC, Altium, Eagle, OrCAD, Mentor PADS. 2026 firmware release notes
- OEM service-status portals and OEM hotline post-mortem reports
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