What the E1516 alarm means

Encoder data is abnormal for several joints at once; simultaneous multi-axis encoder errors usually point to a shared supply or harness rather than individual encoders. We have built up many handled cases of this Kawasaki E / F / C series (AS language) alarm, and usually the first on-site inspection tells us what is wrong.

Most common causes

  • Dead battery pack feeding multiple axes
  • Common encoder harness damage
  • Encoder backup board fault
  • Controller power event corrupting the encoder bus
Field note: Confirm or rule out the first cause first — it is the situation we encounter most.

Step-by-step field fix

  1. Check the shared encoder battery and its fuse/wiring first
  2. Inspect the common harness section feeding the affected joints
  3. Measure the encoder backup supply voltage
  4. Replace batteries, then re-zero all affected joints at scribe marks
  5. Replace the encoder backup board if alarms persist
Safety first: For Kawasaki e1516, encoder alarms often mean position data cannot be trusted: actual pose may disagree with the system record, so releasing a brake or jogging carries unexpected-motion risk. The self-serviceable action is Check the shared encoder battery and its fuse/wiring first; anything past that falls under position feedback and brake release and needs a certified engineer.

How we diagnose encoder alarms on site

Kawasaki e1516 belongs to the encoder & position family. On Kawasaki e1516 the failing stage is encoder boards acquire absolute or incremental feedback per model; a battery holds zero on the E-Controller / D-Controller / F-Controller - the feedback path: encoder body, encoder cable, battery, measuring board and the stored position memory. We start reading Kawasaki e1516 at the pendant ERROR HISTORY with AS error numbers (D / E / P prefixes).

The chain involved in Kawasaki e1516 runs: motor-side encoder -> encoder cable -> drive / measuring board acquisition -> position count and zero data -> battery-held memory.

If Dead battery pack feeding multiple axes on Kawasaki e1516 comes and goes, suspect interference: Encoder feedback is a low-level signal and interference-sensitive. Position data jumping now and then, alarms appearing and disappearing, usually means the shield is not landed properly or the encoder cable shares a drag chain with power cables. We check that the shield lands single-ended at the cabinet, that routing is separated in the chain, and that connector pins are not oxidised. A surprising number of these clear after re-routing, and swapping the encoder would have been money wasted.

Field notes on this page cover Kawasaki e1516 (Encoder Data Abnormal (Multiple Joints)); written by the Henghuan repair team, updated 2026-10-01.

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Related Encoder & Position alarms

W1013 — Encoder Battery Voltage Low (Warning) E1029 — Encoder Revolution Count Abnormal (Axis XX) E1030 — Encoder Data Abnormal (Axis XX) E1033 — Encoder Line Error (Axis XX) E1511 — Encoder Battery Voltage Low [Servo] D1500 — Axis Encoder Read Error
Same family: this code belongs to the Encoder & position alarms family - the page collects all Encoder & position-family codes we have handled, with the common inspection order and spares.
Other brands: we also keep field-fix libraries for Staubli · Epson · Nachi and more — see the complete alarm code hub.

Frequently asked questions

QWhat does the Kawasaki e1516 alarm mean?

Encoder data is abnormal for several joints at once; simultaneous multi-axis encoder errors usually point to a shared supply or harness rather than individual encoders. We have built up many handled cases of this Kawasaki E / F / C series (AS language) alarm, and usually the first on-site inspection tells us what is wrong. Kawasaki e1516 sits in the encoder & position family; on our work orders the highest-frequency trigger for this code is "Dead battery pack feeding multiple axes".

QCan I clear a Kawasaki e1516 alarm myself?

Whether Kawasaki e1516 clears on its own depends on the outcome of "Check the shared encoder battery and its fuse/wiring first". Finish the flow with "Replace the encoder backup board if alarms persist" to confirm Kawasaki e1516 - do not skip it. If that step is clean, the second most frequent cause on Kawasaki e1516 is "Common encoder harness damage". Two attempts and still there means stop: Kawasaki e1516 involves position feedback and brake release, and running Kawasaki e1516 on can turn a repairable fault into a replacement.

QFor encoder alarms like Kawasaki e1516, can it be fixed in one visit?

The commonest causes we see on Kawasaki e1516 are "Dead battery pack feeding multiple axes, Common encoder harness damage, Encoder backup board fault", so we stock the van against those. For Kawasaki e1516 specifically, we carry feedback-path parts: encoder cables, battery packs, connector pins and the measuring-board type data for the brand. For Kawasaki e1516, encoder alarms are mostly broken cores and dead batteries, both of which ride in the van, so most clear in one visit. Before we roll, tell us what Kawasaki e1516 shows on the pendant ERROR HISTORY with AS error numbers (D / E / P prefixes) and what the machine was doing - phone or video triage is free.

The notes on Kawasaki e1516 were summarized by the Henghuan Robotics repair team from on-site service. The alarm interpretation is our empirical summary for troubleshooting reference and may vary by controller and software version — please check Kawasaki documentation or contact us with questions. Henghuan is an independent service provider, not affiliated with or endorsed by Kawasaki.