Yaskawa SGMAH-04A1A61D-0Y AC Servo Motor

SGMAH-04A1A61D-0Y Down? Every Minute Costs Money — We Ship Today

Your line is stopped. The SGMAH-04A1A61D-0Y encoder fault is locked on the drive, the maintenance team is standing by, and procurement is calling every 20 minutes. We’ve been in that room. The Yaskawa SGMAH-04A1A61D-0Y — a 400W, 3,000 rpm brushless AC servo motor from the SGMAH E Series — is one of the most widely deployed motion axes in Asian and European manufacturing. When it fails, the clock starts immediately. We stock it in Xiamen, we test it before it ships, and we can have it moving toward your facility within hours of order confirmation.

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

Quick Technical Datasheet

Troubleshooting & Replacement Tips

Ten years of field calls on SGMAH motors teach you the same failure patterns. Here’s what to check before you condemn the motor — and what to do when you’ve confirmed it’s gone:

Common Fault Codes on Paired SGDH/SGDM Drives:

• A.C1 / A.C2 — Encoder Communication Error: The most frequent SGMAH failure mode. The 17-bit serial encoder uses a proprietary Yaskawa protocol. A.C1 typically means the encoder signal is absent; A.C2 means the data is corrupted. Before replacing the motor, swap the encoder cable first — the JZSP-CMP series cables are fragile at the connector boot and fail under repeated flex. If a new cable doesn’t clear it, the encoder disk or ASIC inside the motor is damaged. Replace the motor.
• A.70 — Overload (Continuous): Check mechanical binding on the axis before fitting a new motor. A seized ballscrew or over-tight coupling will destroy a replacement unit within hours. Verify the load inertia ratio is within the drive’s Pn103 setting (typically ≤ 30 for SGDH).
• A.40 — Overvoltage: Usually a regenerative resistor issue, not the motor. Confirm the DB resistor is intact before swapping the servo.
• A.02 — Parameter Destruction: After fitting a replacement SGMAH-04A1A61D-0Y, the drive may throw A.02 if the motor code stored in EEPROM doesn’t match. Navigate to Fn010 (Motor Type Setting) on the SGDH operator and re-initialize. For SGDM drives, use SigmaWin+ to write the motor parameters from the motor nameplate data.

Replacement Procedure — Field Checklist:

• Power down the drive and wait a minimum of 5 minutes for the DC bus capacitors to discharge. Verify with a multimeter across the P and N terminals before touching any wiring.
• Label and photograph all cable routing before disconnecting. The encoder connector (CN2) is keyed but the power connector orientation varies by cable assembly.
• The SGMAH-04A1A61D-0Y uses a straight shaft with a 5 mm key. Inspect the coupling bore for fretting corrosion — a worn coupling will cause immediate vibration on the new motor.
• After mechanical installation, perform an auto-tuning cycle (Fn201 on SGDH) before running at full speed. Do not skip this step on high-inertia loads.
• Confirm Pn50A (Input Signal Selection) and Pn50B (Output Signal Selection) match your machine’s wiring. These parameters are not reset by Fn010 and must be manually verified.
• No DIP switches or address jumpers are present on the SGMAH-04A1A61D-0Y motor body itself — all configuration is handled at the drive level via parameters.

Reliability in Harsh Conditions

The SGMAH E Series was not designed for a climate-controlled lab. It was built for the floor. The IP67 shaft seal on the SGMAH-04A1A61D-0Y blocks coolant mist and cutting fluid ingress — a daily reality on CNC turning centers. The motor housing is aluminum alloy with a black anodized finish that resists corrosion in humid coastal factory environments, including the high-humidity conditions common in Southeast Asian and southern Chinese manufacturing facilities.

Vibration resistance is rated to IEC 60068-2-6 standards. The internal rotor assembly is dynamically balanced to G2.5 grade, which means the motor runs without resonance even at 3,000 rpm on a machine frame that transmits significant structural vibration from adjacent spindles or presses. The winding insulation class is F (155°C), with a thermal protection thermistor embedded in the stator — the drive monitors this via the CN2 encoder connector and will trigger an A.10 overheat alarm before winding damage occurs.

In field deployments across automotive stamping plants, PCB drilling lines, and textile machinery, the SGMAH-04A1A61D-0Y consistently demonstrates MTBF figures that exceed 40,000 hours under rated load conditions. When a unit does fail, it is almost always the encoder — not the winding — which means the mechanical components are typically reusable if you choose to send the motor for encoder replacement rather than full swap.

Global Express Logistics

Our warehouse is located in Xiamen, Fujian Province — one of China’s primary export hubs with direct access to international freight lanes via Xiamen Gaoqi International Airport and Xiamen Port. This geography is not accidental. It means your replacement SGMAH-04A1A61D-0Y moves from our shelf to a DHL or FedEx international flight within the same business day for orders confirmed before 15:00 CST.

Typical Transit Times from Xiamen:

• Southeast Asia (Vietnam, Thailand, Malaysia, Indonesia): 2–3 business days via DHL Express
• South Asia (India, Bangladesh, Pakistan): 3–4 business days via FedEx International Priority
• Middle East (UAE, Saudi Arabia, Turkey): 3–5 business days via DHL Express
• Europe (Germany, Italy, Poland, Czech Republic): 4–6 business days via DHL Express Worldwide
• Americas (USA, Mexico, Brazil): 5–7 business days via FedEx International Priority

Every shipment includes a commercial invoice with accurate HS code classification (HS 8501.52 — AC motors, multi-phase, 37.5W–750W) to prevent customs delays. We handle export documentation, packing declarations, and CITES/dual-use compliance checks as standard. For customers in the EU, we can provide EUR.1 movement certificates upon request to support preferential tariff claims.

Packaging: the SGMAH-04A1A61D-0Y ships in a rigid foam-lined carton with shaft-end protection cap and connector dust covers installed. The motor is wrapped in anti-static film and sealed in a moisture-barrier bag with desiccant. Drop-test rated to 1.2 m per ISTA 2A protocol.

Contact Information

Ready to place an order or need a lead time confirmation? Reach us directly — no ticketing system, no queue.

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

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