What the SRVO-213 alarm means

A fuse on the panel PCB has blown, indicating an overcurrent on that circuit. This is a routine repair in our workshop for FANUC R-30iA / R-30iB / R-30iB Plus systems, and we normally pin it down during the first site check.

Most common causes

  • Short in the teach pendant or its cable
  • Short in an external device powered from that rail
  • Panel board component failure
Field note: Begin with the first item in the list; it has a far higher on-machine occurrence rate than the others.

Step-by-step field fix

  1. Do NOT just replace the fuse - find the short first
  2. Disconnect the TP and test: fuse holds = fault is in TP/cable
  3. Inspect TP cable for damage
  4. Replace the faulty component, then the fuse
Safety first: For FANUC srvo-213, amplifiers and boards are live parts: hot-plugging a board burns interface circuits, and body static can kill sensitive devices. The self-serviceable action is Do NOT just replace the fuse - find the short first; anything past that falls under live boards and power devices and needs a certified engineer.

How we diagnose amplifier/hardware alarms on site

FANUC srvo-213 belongs to the amplifier & hardware family. On FANUC srvo-213 the failing stage is alpha-i / beta-i servo amplifiers with PSM supply modules and SVM servo modules (SPM where spindles fit) on the R-30iB Plus / R-30iB Mate Plus / R-30iA - the amplifier and drive hardware itself plus its periphery: boards, fuses, cooling, supply, connectors and self-test. We start reading FANUC srvo-213 at the iPendant ALARM screen (SRVO / MOTN / SYST / INTF prefixes) together with the amplifier's 7-segment status code.

The chain involved in FANUC srvo-213 runs: control-side signal -> amplifier board (drive and sense circuits) -> fuses and supply -> cooling -> motor-side output.

When FANUC srvo-213 fires, clear the external causes first - Many hardware alarms are not hardware at all but external conditions: a packed filter causing over-temperature, a missing phase causing undervoltage, a loose connector causing a communication drop. Our order clears the externals first - clean, replace the mat, measure supply, re-seat terminals - near-zero cost and a high hit rate. Only when externals are gone do we judge boards or power stage. It also keeps the quotation honest: we do not sell parts we have not earned.

Field notes on this page cover FANUC srvo-213 (Fuse Blown (Panel PCB)); written by the Henghuan repair team, updated 2026-10-01.

If you can't fix it, reach our engineers directly

Share the alarm code, machine model and the operating condition at the moment of the alarm. Our engineers are highly experienced with FANUC srvo-213, and remote diagnosis (phone/video) is completely free.

Get a Free Remote Diagnosis See Repair Services

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

Related Amplifier & Hardware alarms

SRVO-057 — FSSB Disconnect SRVO-068 — DTERR - Data Transmission Error SRVO-069 — CRCERR - CRC Error SRVO-071 — SPHAL - Soft Phase Alarm SRVO-072 — PMAL - Pulse Coder Phase Alarm SRVO-073 — CMAL - Pulse Coder Count Error
Same family: this code belongs to the Amplifier & hardware alarms family - the page collects all Amplifier & hardware-family codes we have handled, with the common inspection order and spares.
Other brands: see our KUKA, ABB, Yaskawa and Universal Robots field-fix libraries — or the full 10-brand hub.

Frequently asked questions

QWhat does the FANUC srvo-213 alarm mean?

A fuse on the panel PCB has blown, indicating an overcurrent on that circuit. This is a routine repair in our workshop for FANUC R-30iA / R-30iB / R-30iB Plus systems, and we normally pin it down during the first site check. FANUC srvo-213 sits in the amplifier & hardware family; on our work orders the highest-frequency trigger for this code is "Short in the teach pendant or its cable".

QCan I clear a FANUC srvo-213 alarm myself?

Whether FANUC srvo-213 clears on its own depends on the outcome of "Do NOT just replace the fuse - find the short first". Finish the flow with "Replace the faulty component, then the fuse" to confirm FANUC srvo-213 - do not skip it. If that step is clean, the second most frequent cause on FANUC srvo-213 is "Short in an external device powered from that rail". Do not chase takt through a repeating FANUC srvo-213. Left alone, amplifier & hardware faults tend to graduate from repairable to must-replace.

QFor hardware alarms like FANUC srvo-213, does it always mean an expensive part swap?

The commonest causes we see on FANUC srvo-213 are "Short in the teach pendant or its cable, Short in an external device powered from that rail, Panel board component failure", so we stock the van against those. For FANUC srvo-213 specifically, we carry fuses, filter mats, common connectors and terminals; boards are stocked by type or go through the repair channel. For FANUC srvo-213, on hardware alarms we inspect before quoting - we do not open with replace the power stage. Before we roll, tell us what FANUC srvo-213 shows on the iPendant ALARM screen (SRVO / MOTN / SYST / INTF prefixes) together with the amplifier's 7-segment status code and what the machine was doing - phone or video triage is free.

The notes on FANUC srvo-213 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 FANUC documentation or contact us with questions. Henghuan is an independent service provider, not affiliated with or endorsed by FANUC.