PSS15SA2FT repair service is a core specialty at Flexa Systems, where our technicians work daily on the Mitsubishi Electric PSS15SA2FT — a Large DIPIPM Version 6 IGBT module configured in a 6-PAC topology, and we also stock PSS15SA2FT refurbished units for facilities that need an immediate swap. This component functions as the power switching heart of variable frequency drive systems, converting DC bus energy into precise three-phase PWM output to control AC motor speed and torque with high efficiency. Engineers searching for PSS15SA2FT troubleshooting support often discover that this IGBT module's integrated gate drive circuitry and built-in protection logic — including overcurrent, short-circuit, and undervoltage lockout — make it distinctly different from discrete IGBT assemblies and require module-level diagnostics rather than board-level probing alone. The DIPIPM Version 6 architecture incorporates bootstrap power supply circuits and fault output signaling, which means industrial VFD repair on this unit demands oscilloscope verification of gate drive waveforms and isolation resistance testing across all six IGBT cells. This module appears in pump, conveyor, HVAC, and compressor drive systems across manufacturing and process industries throughout the United States, and facilities asking where to repair Mitsubishi Electric VFD equipment will find that improper handling of the DIP-IPM packaging — particularly thermal interface and mounting torque — is a leading cause of preventable recurrence failures. For operations that need to buy PSS15SA2FT USA stock quickly, Flexa Systems maintains inventory at our Lewisville TX facility and ships nationwide. Our team offers free diagnostics on every inbound unit, backed by a 2-year warranty on all repaired and refurbished modules.
Technical Specifications
| Part Number |
PSS15SA2FT |
| Manufacturer |
Mitsubishi Electric |
| Package / Type |
IGBT Silicon Modules |
Compatibility
The PSS15SA2FT is compatible with Mitsubishi Electric FR-A700, FR-F700, and FR-E700 series inverter platforms where DIPIPM Version 6 modules are specified as the primary power switching stage, and Mitsubishi Electric PSS15SA2FT integration into these drives follows standard DIP-IPM footprint and 15V gate drive logic interfacing. PSS15SA2FT compatible with Mitsubishi MELSEC Q-series and iQ-R PLC ecosystems when the host VFD is operating under network speed reference via CC-Link IE or Profibus-DP fieldbus. Engineers considering a PSS15SA2FT replacement for modules in FR-A024 and FR-A044 frame drives should confirm bus voltage class and thermal interface pad dimensions, as the Version 6 DIP-IPM pinout aligns with select Version 4 footprints used in earlier production of those drives. Specific catalog numbers confirmed for cross-reference and integration include the PSS20SA2FT for the next current-class up, the PM20CSJ060 as a prior-generation comparable, and the PS21765-AP for adjacent smaller-frame Mitsubishi power module designs.
Service Options
Repair Service
Ship your faulty PSS15SA2FT 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 Mitsubishi Electric PSS15SA2FT variable frequency drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.
Brand New
New PSS15SA2FT in original Mitsubishi Electric packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.
Common Failure Modes
- DC bus overvoltage fault on deceleration in PSS15SA2FT units where the braking resistor circuit has an open thermal fuse, causing the internal freewheeling diodes to clamp regenerative energy back into an unprotected bus rail.
- PSS15SA2FT troubleshooting for intermittent overcurrent trips (E.OC1 or E.OC3 fault codes) frequently traces to degraded thermal interface compound between the module baseplate and heatsink, elevating junction temperature until the internal current sense comparator triggers at reduced load thresholds.
- Gate drive bootstrap capacitor failure within the upper-arm circuitry causes the high-side IGBTs to lose turn-on drive voltage, resulting in phase-loss output and an E.LF fault code that is often misdiagnosed as a motor winding or cable fault during PSS15SA2FT fault isolation.
- Undervoltage lockout activation (E.UV fault) during low-speed operation in humid environments, caused by moisture ingress into the DIP-IPM control signal connector increasing leakage current on the Fo fault output pin and falsely pulling the protection latch into a shutdown state.
Frequently Asked Questions
Is the PSS15SA2FT compatible with or interchangeable with other VFD power modules?
The PSS15SA2FT compatible with Mitsubishi Electric FR-series drives that use the Large DIPIPM Version 6 15A module footprint is a drop-in fit provided bus voltage class and gate drive supply voltage are matched on the control board. For cross-manufacturer replacement scenarios, engineers have successfully adapted this module into custom drive rebuilds originally designed around comparable 15A intelligent power modules such as the Fuji Electric 6MBP15RH060 and the Semikron SKIIP modules of equivalent current class, though level-shifting circuitry on the fault output pin may be required. It is not a direct PSS15SA2FT replacement for Mitsubishi FR-D700 micro-drive platforms, which use a physically smaller DIP-IPM packaging with a different pin pitch and lower gate drive current capacity. Always verify the Fo pin logic polarity and the internal thermistor output scaling before committing to any cross-series substitution.
How do I know whether my PSS15SA2FT is worth repairing or should be replaced outright?
A Mitsubishi Electric PSS15SA2FT with gate-to-emitter short circuits measured below 10 ohms on any IGBT cell, or with carbon tracking visible on the module surface from a shoot-through event, is generally beyond economical PSS15SA2FT repair and should be replaced with a refurbished or new unit. However, units showing E.OC or E.UV faults without visible burn damage are strong repair candidates — the root cause is typically degraded thermal compound, a failed bootstrap capacitor, or a corroded control connector rather than a destroyed IGBT cell. Flexa Systems performs full curve-tracer characterization on every incoming module to distinguish repairable gate drive failures from unrecoverable IGBT junction damage before any labor is committed. Modules that have experienced a single clean overcurrent event with no secondary thermal runaway typically retain full IGBT cell integrity and respond well to gate drive board reconditioning.
Where can I get PSS15SA2FT repair service with a warranty?
Flexa Systems, based in Lewisville TX, provides PSS15SA2FT repair service with a 2-year warranty on all completed repairs and refurbished exchanges, with a standard turnaround of 5 to 7 business days from module receipt. Our facility serves customers nationwide with prepaid inbound shipping labels and same-day outbound dispatch once repair is approved, so geography is not a barrier for facilities outside Texas. Customers looking to buy PSS15SA2FT USA stock immediately can also purchase from our refurbished inventory, which is tested to OEM electrical specifications and ships with full warranty documentation. Contact our engineering team directly for free diagnostics — we assess every inbound PSS15SA2FT at no charge before issuing a repair quote, so there is no cost risk in sending in a failed unit for evaluation.
Where can I get PSS15SA2FT repair service with a warranty?
Flexa Systems provides professional PSS15SA2FT 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 Mitsubishi Electric PSS15SA2FT 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.
