Mitsubishi Electric PSS15SA2FT
Repair option: component-level repair is available for this model — 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%. Request a repair quote.
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.
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.
- 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.
Technical Specifications
| Manufacturer: | Mitsubishi Electric |
| Type: | IGBT Silicon Modules |
