ABB 3HAC021722-001 AC Servo Motor

ABB 3HAC021722-001 Servo Motor: Cut Downtime Before It Cuts Your Output

Your IRB 2400 is down. The welding cell is cold. The line supervisor is on your back. Every hour of unplanned downtime on an automotive or electronics line costs anywhere from $5,000 to $50,000 — and the clock started the moment that axis fault code appeared. The ABB 3HAC021722-001 AC servo motor is the OEM-specified axis drive unit for the IRB 2400 robot family. We stock it in Xiamen, we ship it today, and it drops straight into your robot without parameter re-tuning or mechanical modification. This is not a compatible substitute — it is the original ABB part, sourced from verified supply chains, tested before dispatch, and ready to put your line back in motion.

URGENT REQUIREMENT? Contact: [email protected] | WhatsApp: +86 18359268345

Quick Technical Datasheet

Troubleshooting & Replacement Tips

After ten years of emergency callouts, these are the failure patterns that show up again and again on IRB 2400 axis drives — and the steps that get the robot back online fastest.

Common Fault Codes Pointing to 3HAC021722-001 Failure:

• ERR_AXIS_OVERLOAD (50001) — Motor winding degradation causing thermal runaway under normal duty cycles. Check winding resistance: if R-phase deviation exceeds ±10% from spec, replace the motor, not the drive card.
• ERR_ENCODER_FAULT (50004) — Absolute encoder data corruption, often caused by vibration-induced connector fretting on the resolver harness. Before condemning the motor, reseat the encoder connector at J3 and clear the SMB battery alarm. If the fault persists after SMB reset, the encoder is gone — replace the motor.
• ERR_MOTOR_TEMP (50010) — Thermal sensor open circuit. Verify the PTC thermistor resistance at the motor connector pins. An open circuit (>10 kΩ) confirms sensor failure inside the motor housing.
• BRAKE_FAULT / Axis Drop on E-Stop — The integrated holding brake on Axis 2 and 3 motors is a common wear item. If the axis drifts under gravity with drives enabled, the brake is slipping. Do not attempt to adjust — replace the motor assembly.

Step-by-Step Replacement Procedure:

1. Set the IRC5 controller to Manual Reduced Speed and engage all axis brakes via the FlexPendant before breaking any mechanical connection.
2. Support the robot arm mechanically — do not rely on the brake alone during motor removal.
3. Disconnect the motor power cable and resolver/encoder cable at the robot arm junction box. Label both connectors — polarity errors on the resolver will produce immediate encoder faults on power-up.
4. Remove the motor mounting bolts (typically M6 × 4 or M8 × 4 depending on axis). Note the shim stack thickness if present — replicate exactly on the new motor to maintain backlash specification.
5. Install 3HAC021722-001. Torque fasteners to ABB specification (refer to IRB 2400 Product Manual, Section 4.3). Do not over-torque — the motor flange is aluminium.
6. Reconnect cables. Perform a Revolution Counter Update on the replaced axis via the FlexPendant (Calibration → Update Revolution Counters). This step is mandatory — skipping it will cause position errors and potential collision on the first program run.
7. Run the axis through its full range at 10% speed before returning to production. Monitor the IRC5 event log for residual encoder warnings during the first 30 minutes of operation.

Configuration Notes: The 3HAC021722-001 is a direct OEM replacement — no drive parameter changes are required in the IRC5 motor configuration file (MOC.cfg). If you are replacing a motor that was previously re-parameterised by a third-party repair shop, restore the factory MOC.cfg axis entry before commissioning the new motor to avoid torque limit mismatches.

Reliability in Harsh Conditions

The IRB 2400 operates in environments that destroy lesser components: automotive body shops with weld spatter and coolant mist, foundry cells with radiant heat, food processing lines with daily washdown cycles. The 3HAC021722-001 is engineered to survive all of it.

• Vibration resistance — The motor housing and encoder assembly are designed to ABB’s internal vibration specification for continuous-duty robot axes. The resolver winding is potted, not simply glued, which is why OEM units outlast aftermarket alternatives by a factor of three or more in high-cycle welding applications.
• Thermal margin — Class B insulation provides a 30 °C buffer above the 100 °C winding temperature typical in a 100% duty-cycle welding cell. This margin is what separates a motor that lasts five years from one that fails in eighteen months.
• IP54 sealing — Dust-protected and splash-resistant. Adequate for the vast majority of industrial robot installations, including those with coolant mist and light washdown exposure. For full washdown environments, confirm the IP67 variant is specified.
• Humidity tolerance — The motor windings are vacuum-impregnated with varnish, preventing moisture ingress that causes insulation breakdown in humid coastal or tropical factory environments.
• Connector durability — ABB’s OEM multi-pin connector is rated for 500+ mating cycles, which matters when the motor is being swapped during a planned maintenance window rather than an emergency.

Global Express Logistics

Our Xiamen warehouse is positioned specifically for fast international dispatch. Xiamen Gaoqi International Airport handles direct cargo flights to major hubs in Europe, Southeast Asia, the Middle East, and the Americas — which means your part moves, not sits in a domestic transit hub waiting for a connecting flight.

• Same-day dispatch — Orders confirmed before 14:00 CST ship the same business day. We do not batch orders overnight.
• DHL Express — Door-to-door delivery to most of Europe and North America in 2–4 business days. Full tracking from pickup to delivery, with proactive exception management if customs holds occur.
• FedEx International Priority — Preferred carrier for Middle East, India, and Southeast Asia destinations. Typical transit: 2–5 business days depending on destination customs clearance speed.
• Export documentation — Commercial invoice, packing list, and certificate of origin prepared to destination country requirements. HS Code 8501.52 (AC motors, multi-phase, 750W–75kW) is pre-cleared for most markets. We flag restricted-destination orders before shipment, not after.
• Emergency freight — For genuine production-stop situations, we can arrange next-flight-out courier on request. Contact us directly with your destination airport code and we will quote within the hour.
• Packaging — Anti-static foam insert, moisture-barrier bag, and double-wall carton. The encoder connector is capped and the motor shaft is protected with a machined plug. It arrives ready to install, not ready to inspect for shipping damage.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
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