PARKER COMPUMOTOR SM231AE-NTQN
SM231AE-NTQN repair service is available for this discontinued PARKER COMPUMOTOR SM231AE-NTQN brushless servo motor, and our team also stocks SM231AE-NTQN refurbished units ready for immediate deployment. Rated at 340V and 2.1A, this Size 23 frame, single-stack magnet, A-winding brushless servo motor was engineered for precise motion control in demanding manufacturing and automation environments. If you've been searching for SM231AE-NTQN repair near me, Flexa Systems operates from Lewisville TX and provides nationwide depot repair and exchange services. The SM Series brushless design delivers low-cogging torque characteristics that made it a preferred choice in pick-and-place systems, CNC axis control, and packaging machinery where smooth velocity regulation is critical. Industrial VFD repair on this unit requires familiarity with the SM Series encoder interface and specific winding resistance tolerances associated with the A-winding configuration. For facilities running legacy PARKER COMPUMOTOR motion systems, SM231AE-NTQN troubleshooting often centers on Hall-effect sensor degradation, bearing wear, or winding insulation breakdown accelerated by thermal cycling. Because this part is discontinued by the manufacturer, sourcing a tested SM231AE-NTQN for sale through a qualified repair depot is frequently the fastest and most cost-effective path to restoring production uptime. Flexa Systems offers free diagnostics on every inbound unit so you know exactly what you're working with before committing to a repair or exchange.
The SM231AE-NTQN compatible with PARKER COMPUMOTOR's Gemini series drives — including the GV6 and GT6 servo drive platforms — which were factory-matched to the SM Series motor line and share the same 15-pin feedback connector pinout and encoder signal specifications. PARKER COMPUMOTOR SM231AE-NTQN integration is also supported with the older OEM750 and OEM650 drive modules, provided the drive parameters are configured to match the A-winding back-EMF constant and pole count of the Size 23 single-stack frame. As an SM231AE-NTQN replacement for applications originally using the SM231AE-NTQN or adjacent SM Series variants, the unit interfaces with motion controllers communicating over RS-232, RS-485, and analog ±10V command signals, and is compatible with incremental quadrature encoders operating at 5V TTL logic levels. PARKER COMPUMOTOR indexer controllers such as the 6K4 and 6K8 multi-axis positioning controllers are fully compatible drive-and-controller pairings for this motor when used within their rated continuous torque envelopes.
- Encoder channel A/B signal loss causing immediate drive fault (Gemini GV6 fault code Er.En) — a frequent SM231AE-NTQN fault traced to internal encoder PCB delamination from repeated thermal cycling in high-ambient enclosures.
- Stator winding insulation breakdown between phases B and C, presenting as a drive overcurrent trip at low-speed operation and confirmed during SM231AE-NTQN troubleshooting with a 500V megohmmeter reading below 1MΩ phase-to-ground.
- Hall-effect commutation sensor failure producing erratic motor rotation or a commutation error fault on Gemini series drives, typically caused by moisture ingress through the rear shaft seal on motors mounted in wash-down or high-humidity environments.
- Mechanical bearing seizure in the front shaft bearing due to lubricant breakdown after extended service cycles, resulting in elevated audible noise, increased motor temperature, and eventual drive overload fault (Er.OL) under normal load conditions.
Technical Specifications
| Manufacturer: | PARKER COMPUMOTOR |
| Voltage: | 340V |
| Current: | 2.1A |
| Type: | BOX/MODULE |



