What the 1219 alarm means

The teach pendant enabling (dead-man) switch reports a sticking fault — its three-position logic is inconsistent, so the controller blocks motion in teach mode. This is one of the faults our repair team handles on Yaskawa DX100 / DX200 / YRC1000 systems — the cause is usually identifiable within the first on-site inspection.

Most common causes

  • Debris or wear inside the enable switch
  • Switch mechanically held at an intermediate position
  • Pendant drop damage affecting the switch contacts
  • Worn pendant cable causing intermittent switch signals
Field note: the first item on this list is what we find most often on real machines. Check it before you go deeper.

Step-by-step field fix

  1. Power-cycle the controller and test the enable switch action by hand
  2. Clean around the switch and verify it springs back cleanly
  3. Try a known-good pendant to isolate pendant vs controller
  4. Replace the pendant if the switch itself is worn
  5. Save CMOS.BIN in maintenance mode before any board work
Safety first: never bypass safety circuits or force contactors closed. If the alarm involves E-stop chains, brakes or drive power, and you are not a trained robot technician, contact a professional — wrong moves here can cost you a robot or an injury.

Still stuck? Get an engineer on the phone — right now

Tell us the alarm code, the robot model and what was happening when the alarm came up. Our engineers run these diagnostics every day, and remote diagnosis by phone or video call is free.

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Hotline: +86-20-39029800 · WhatsApp: +86-188-1886-2860

Related Safety Chain & E-Stop alarms

4780 — F-SAFE Error — Safety Range/Speed Limit Violation
Other brands: we also keep field-fix libraries for Universal Robots · Kawasaki · Staubli and more — see the complete alarm code hub.

Frequently asked questions

QWhat does the Yaskawa 1219 alarm mean?

The teach pendant enabling (dead-man) switch reports a sticking fault — its three-position logic is inconsistent, so the controller blocks motion in teach mode. In field practice it belongs to the safety chain & e-stop family of faults.

QCan I clear a Yaskawa 1219 alarm myself?

Sometimes. Work through the step-by-step checks on this page — the first listed cause is what we find most often in the field. If the alarm returns after two attempts, or the fault involves power, brakes or safety circuits, stop and call a qualified robot service engineer.

QHow fast can a Henghuan engineer help?

On-site response in the Pearl River Delta within 30 minutes to 3 hours, across mainland China in 1-3 business days, and worldwide within 2-5 business days. Remote diagnosis by phone/WhatsApp/video is available immediately.

Written by the Henghuan Robotics repair team from field service experience. Alarm descriptions are our own summary for troubleshooting reference and may vary by controller and software version — when in doubt, check your Yaskawa documentation or contact us. Henghuan is an independent service provider, not affiliated with or endorsed by Yaskawa.