Case Erector Jam

Case erector has jammed — case blank stuck in the forming section, flap folding area, or bottom seal station. Machine stopped.

Probable Causes (ranked)

• Case blank magazine loaded incorrectly — blanks upside down or backward
• Case blank size does not match machine recipe — wrong blank loaded
• Vacuum cups on case pickup not gripping — worn cups, low vacuum, or clogged filter
• Flap folding plow bent or misaligned — not folding flaps cleanly
• Hot melt glue not adhering — temperature too low or glue nozzle clogged
• Pneumatic cylinder not fully extending — air pressure low or cylinder seal leaking

Fix Steps

1. 1 Clear the jammed case blank — remove all debris from forming area
2. 2 Verify case blanks are loaded correctly in magazine — follow directional arrows on machine
3. 3 Check vacuum cups on case pickup arm — replace cracked or worn cups
4. 4 Verify vacuum level — check vacuum gauge, inspect filter for clogging
5. 5 Inspect flap folding plows for damage or misalignment — adjust per setup sheet
6. 6 Check hot melt glue temperature and nozzle condition — purge nozzle if clogged
7. 7 Verify case blank size matches the recipe selected on HMI — changeover if needed

Suggested Replacement Parts

Parts matched to fault category: Pneumatic Valve

Prices are estimates. Verify part numbers match your equipment before ordering.

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