What the 0x0F0101 alarm means

The JAKA APP version does not match the controller firmware, so some functions are blocked or behave incorrectly. This fault ranks high in our JAKA Zu / JAKA Pro cobots (APP) service records, and the first site inspection usually finds the source.

Most common causes

  • Controller firmware updated but APP not updated
  • APP updated ahead of the controller
  • Partial firmware upgrade interrupted
  • Mixed joint-module firmware versions
Field note: The first cause shows up most on real machines, so verify it before you go further.

Step-by-step field fix

  1. Check the version page in the APP for mismatched components
  2. Update the APP and controller to the matched release pair
  3. Never interrupt a firmware update mid-write
  4. Reboot the whole system after updating
  5. Re-test program execution before returning to production
Safety first: For JAKA 0x0f0101, the risk on this family is not injury but data: lose the program, parameters and calibration data and weeks of teaching work start over. The self-serviceable action is Check the version page in the APP for mismatched components; anything past that falls under program and calibration data and needs a certified engineer.

How we diagnose system alarms on site

JAKA 0x0f0101 belongs to the system & program family. On JAKA 0x0f0101 the failing stage is JAKA Zu SDK / JAKA robot software (JAKA collaborative robot cabinet) on the JAKA collaborative robot cabinet - the software layer: corrupted program or parameter files, boot failures, version mismatch, memory and storage media. We start reading JAKA 0x0f0101 at the pendant and app alarm pages; codes are hexadecimal with a 0x prefix.

The chain involved in JAKA 0x0f0101 runs: storage media (CF / flash / disk) -> system software and firmware -> parameters and calibration data -> user programs -> runtime.

If JAKA 0x0f0101 comes with slower boots, think media: The CF card, flash or disk inside a controller has a finite life, and heavy log writing shortens it. Ageing media usually announces itself in stages: occasional read/write errors, then slow boots, then a failure to boot at all. The nasty part is that the data may already be damaged. We bring the system up from recovery media first, then salvage user programs and parameters; everything salvaged is stored in two copies, and we set the customer up with a standing backup habit afterwards.

Field notes on this page cover JAKA 0x0f0101 (APP / Robot Software Version Mismatch); written by the Henghuan repair team, updated 2026-10-01.

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Related System & Program alarms

0x000030 — Controller Temperature Too High 0x000031 — Bus Voltage Abnormal 0x000032 — Motor Overcurrent 0x000033 — Encoder Fault 0x000034 — Motor Overtemperature 0x000035 — Collision Detected
Same family: this code belongs to the System & program alarms family - the page collects all System & program-family codes we have handled, with the common inspection order and spares.
Other brands: we also keep field-fix libraries for AUBO · ROKAE · Dobot and more — see the complete alarm code hub.

Frequently asked questions

QWhat does the JAKA 0x0f0101 alarm mean?

The JAKA APP version does not match the controller firmware, so some functions are blocked or behave incorrectly. This fault ranks high in our JAKA Zu / JAKA Pro cobots (APP) service records, and the first site inspection usually finds the source. JAKA 0x0f0101 sits in the system & program family; on our work orders the highest-frequency trigger for this code is "Controller firmware updated but APP not updated".

QCan I clear a JAKA 0x0f0101 alarm myself?

Whether JAKA 0x0f0101 clears on its own depends on the outcome of "Check the version page in the APP for mismatched components". Finish the flow with "Re-test program execution before returning to production" to confirm JAKA 0x0f0101 - do not skip it. If that step is clean, the second most frequent cause on JAKA 0x0f0101 is "APP updated ahead of the controller". If JAKA 0x0f0101 returns after two clears, or the checks point at Controller firmware updated but APP not updated, stop the cell and call a professional robot repair engineer.

QWhen you handle JAKA 0x0f0101, will my programs and frames get lost?

The commonest causes we see on JAKA 0x0f0101 are "Controller firmware updated but APP not updated, APP updated ahead of the controller, Partial firmware upgrade interrupted", so we stock the van against those. For JAKA 0x0f0101 specifically, we carry recovery media and common storage media, but on this family the backup matters more than the spare. For JAKA 0x0f0101, on system alarms the first move is backup; we can walk the customer through preserving data remotely before anything else. Before we roll, tell us what JAKA 0x0f0101 shows on the pendant and app alarm pages; codes are hexadecimal with a 0x prefix and what the machine was doing - phone or video triage is free.

This page on JAKA 0x0f0101 was 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 JAKA documentation or contact us. Henghuan is an independent service provider, not affiliated with or endorsed by JAKA.