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Siemens
6SL3126-2TE15-0AA3
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SKU: 2100000021444
$1,280.00
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2-Year Warranty
Free Diagnostics
Ships in 1–2 Business Days
Nationwide Service
6SL3126-2TE15-0AA3 repair service is available at Flexa Systems for facilities running Siemens SINAMICS S120 dual-axis motor modules that have gone offline, tripped, or sustained internal damage. Whether you need Siemens 6SL3126-2TE15-0AA3 repair after a catastrophic overcurrent event or are sourcing a 6SL3126-2TE15-0AA3 refurbished unit to minimize downtime, Flexa Systems provides both paths quickly and cost-effectively. This unit is a booksize double motor module operating on a 600 V DC link bus, delivering 5 A per axis — purpose-built for coordinated multi-axis motion control in servo and vector drive applications. Searching for 6SL3126-2TE15-0AA3 troubleshooting support after an F30015 or F07801 fault? Flexa's engineering team performs full electrical and functional diagnostics before any repair work begins. The module is commonly deployed in packaging machinery, CNC machining centers, and automated assembly lines where synchronized dual-axis positioning is critical. If your plant's control system is flagging fault codes you can't clear, industrial VFD repair from a specialist with deep Siemens S120 experience is the most efficient resolution. When you need to buy 6SL3126-2TE15-0AA3 USA or have a failed unit restored to factory specification, Flexa Systems ships nationwide from our facility in Lewisville TX.
Technical Specifications
Part Number
6SL3126-2TE15-0AA3
Manufacturer
Siemens
Voltage
600 V DC
Current Rating
5 A / 5 A (for both axes)
Package / Type
SINAMICS S120 Double Motor Module
Compatibility
The 6SL3126-2TE15-0AA3 is compatible with Siemens SINAMICS S120 booksize component architectures, integrating directly with the S120 Control Unit modules including the CU320-2 PN and CU320-2 DP via the DRIVE-CLiQ communication backbone, which eliminates the need for separate encoder interface cards in many configurations. Siemens 6SL3126-2TE15-0AA3 integration is supported within TIA Portal V14 and later using the Startdrive commissioning tool, allowing parameter cloning and drive object configuration without specialized legacy software. This module is a 6SL3126-2TE15-0AA3 replacement for the earlier 6SL3126-2TE13-0AA3 in low-current dual-axis applications, and it shares the same DC bus connector footprint and DRIVE-CLiQ port layout as the 6SL3120-2TE15-0AA3 single motor module, simplifying cabinet re-engineering. The unit accepts HTL and TTL incremental encoders as well as ENDAT 2.1 absolute encoders through compatible Sensor Module Cabinet (SMC) units such as the 6SL3055-0AA00-5CA2, making it a fit for Siemens 1FK7 and 1FT7 servo motor families.
Service Options
Repair Service
Ship your faulty 6SL3126-2TE15-0AA3 to our facility. Our certified technicians perform IGBT testing, capacitor inspection, gate driver diagnostics, and full load testing. Typical turnaround: 5–7 business days. 2-year warranty included.
Refurbished
In-stock Siemens 6SL3126-2TE15-0AA3 variable frequency drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.
Brand New
New 6SL3126-2TE15-0AA3 in original Siemens packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.
Common Failure Modes
IGBT desaturation fault (F30015) on Axis 2 during acceleration ramps — a frequent 6SL3126-2TE15-0AA3 fault caused by degraded gate driver circuitry on the lower-leg IGBT pair, often preceded by intermittent A30026 alarms under load.
DC bus undervoltage fault (F30021) triggered during line-side infeed transitions, typically traced to failed pre-charge relay contacts or a degraded capacitor bank on the shared 600 V DC bus within the S120 booksize assembly.
DRIVE-CLiQ communication interruption fault (F01910) causing both axes to coast to a stop — 6SL3126-2TE15-0AA3 troubleshooting should begin by inspecting the DRIVE-CLiQ ribbon connector for micro-fractures at the PCB header, which can result from thermal cycling in high-ambient enclosures.
Axis 1 overcurrent fault (F07801) at standstill with no motor connected, indicating internal shoot-through in the output power stage — this failure mode is confirmed by measuring less than 1 MΩ between the U1 phase output terminal and DC- with the module de-energized.
Frequently Asked Questions
Is the 6SL3126-2TE15-0AA3 compatible with other Siemens S120 modules, and can it replace any similar double motor modules?
The 6SL3126-2TE15-0AA3 is compatible with the full Siemens S120 booksize component system and can function as a drop-in 6SL3126-2TE15-0AA3 replacement for the 6SL3126-2TE13-0AA3 in applications where the 3 A per axis rating of the older unit was operating near its ceiling. It is also electrically interchangeable with the 6SL3126-2TE21-0AA3 from a mounting and bus perspective, though that unit carries a higher current rating and may require parameter adjustments in the CU320-2 drive object configuration. Engineers migrating from legacy Siemens MASTERDRIVES MC double-axis modules or evaluating third-party alternatives like the Bosch Rexroth HCS02 series should note that DRIVE-CLiQ topology and S120-specific firmware make direct cross-brand substitution impractical without significant rewiring. Consult Flexa Systems' engineering team to confirm 6SL3126-2TE15-0AA3 compatibility with your existing infeed module and Control Unit firmware version before ordering.
How do I know whether my 6SL3126-2TE15-0AA3 is worth repairing or should be replaced outright?
In most cases, 6SL3126-2TE15-0AA3 repair is the faster and more economical option — IGBT failures, gate driver faults, and DC bus capacitor degradation are all component-level repairs that restore the unit to full specification without requiring S120 system reconfiguration. The Siemens 6SL3126-2TE15-0AA3 should be evaluated for replacement rather than repair only when the main power PCB substrate shows signs of severe thermal delamination, the DRIVE-CLiQ ASIC has been damaged by a lightning transient, or the aluminum heatsink has cracked from physical impact. Fault codes F30015, F30021, and F07801 are nearly always repairable conditions — units presenting these codes in isolation rarely have collateral damage that would make repair uneconomical. Submit your unit to Flexa Systems for free diagnostics; we'll provide a written evaluation within 24 hours of receiving the module so you can make an informed decision before any repair costs are committed.
Where can I get 6SL3126-2TE15-0AA3 repair service with a warranty?
Flexa Systems, located in Lewisville TX, provides full depot repair for the 6SL3126-2TE15-0AA3 with a 2-year warranty covering both parts and labor — one of the strongest warranty terms available for Siemens S120 component repair in the industry. Standard turnaround is 5–7 business days from receipt, and expedited 48-hour service is available for critical production lines. Flexa ships repaired and 6SL3126-2TE15-0AA3 refurbished units nationwide, so facilities anywhere in the continental US can access the same service level as local customers. If you need to buy 6SL3126-2TE15-0AA3 USA with verified test documentation and a serialized warranty certificate, Flexa Systems maintains exchange inventory so you can receive a tested unit before your failed module is even shipped back.
Where can I get 6SL3126-2TE15-0AA3 repair service with a warranty?
Flexa Systems provides professional 6SL3126-2TE15-0AA3 repair service from our facility in Lewisville, TX, serving customers nationwide. Standard turnaround is 5–7 business days from receipt and all repaired units ship with a 2-year warranty. Rush service (2–3 business days) is also available.
Flexa Systems specializes in Siemens 6SL3126-2TE15-0AA3 variable frequency drive repair, supplying refurbished and new units backed by a 2-year warranty. All drives are load-tested before shipping. Serving industrial facilities nationwide from Lewisville, TX.
Repair option: send in your faulty unit for component-level repair — $850.00 with free diagnostics, a 2-year warranty, and a 5–30 business day turnaround. Repair typically costs 40–70% of a new unit, saving you 30–60%. Learn more about our VFD repair service.
Technical Specifications
Part Number:
6SL3126-2TE15-0AA3
Manufacturer:
Siemens
Voltage:
600 V DC
Current:
5 A / 5 A (for both axes)
Type:
SINAMICS S120 Double Motor Module
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