Tennant 0124951D3350605E
Repair option: send in your faulty unit for component-level repair — $540.00 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%.
Tennant 0124951D3350605E repair service is a specialty offering from Flexa Systems, covering this ECU-based Variable Frequency Drive unit that operates on a 24 VDC supply voltage within Tennant's commercial and industrial floor care equipment platform. If you're sourcing a Tennant 0124951D3350605E repair or need a 0124951D3350605E refurbished unit as a cost-effective swap, understanding this controller's role is essential before committing to a replacement. The 0124951D3350605E functions as the central electronic control unit governing motor drive output, brushroll speed regulation, and onboard diagnostics for Tennant scrubbing and sweeping machines, making it a mission-critical component in warehouse, manufacturing, and large-scale facility maintenance operations. Technicians performing 0124951D3350605E troubleshooting will find that faults in this unit can manifest as erratic brush motor behavior, loss of drive output, or complete machine lockout — symptoms that mimic hydraulic or mechanical failures if the ECU is not tested first. For facilities managers asking about 0124951D3350605E repair near me, Flexa Systems ships nationwide from its Lewisville TX facility, offering depot repair with fast turnaround. Industrial VFD repair on this platform requires familiarity with Tennant's proprietary communication architecture and 24 VDC logic-level signaling, which differs significantly from standard three-phase VFD topology common in other industrial sectors. All repairs at Flexa Systems include free diagnostics and are backed by a 2-year warranty, giving maintenance teams confidence before returning the machine to service.
The 0124951D3350605E is compatible with Tennant's T17, T20, and S30 series floor scrubbers and sweepers, where it interfaces directly with the machine's onboard CAN bus network to coordinate propulsion, brush, and squeegee motor commands. Tennant 0124951D3350605E integration relies on the unit communicating with Tennant's proprietary ECM (Electronic Control Module) architecture, and it is electrically compatible with standard 24 VDC control harnesses used across the T-Series and S-Series platforms. As an 0124951D3350605E replacement for earlier Tennant ECU part numbers such as 1013040, 1013039, and 222518, this unit can be dropped into existing wiring configurations with minimal harness modification when pin assignments are verified against the machine's specific wiring schematic revision. Technicians should confirm firmware version compatibility with the host machine controller before installation, particularly on units originally equipped with Tennant part number 130-6929 or 9004444, as software handshake requirements vary by production year.
- Gate driver IGBT failure causing complete loss of brush motor drive output — a frequent fault in 0124951D3350605E units exposed to repeated inrush current spikes during cold-start cycles in unheated warehouse environments.
- CAN bus communication dropout resulting in fault code E-84 on the Tennant operator display, traced during 0124951D3350605E troubleshooting to corrupted firmware in the ECU's onboard microcontroller after voltage transients on the 24 VDC supply rail.
- Capacitor ESR degradation on the internal DC filtering stage causing intermittent undervoltage faults and spontaneous machine shutdowns — an 0124951D3350605E fault pattern most common in units with over 2,000 operating hours on high-cycle scrubbing applications.
- Thermal protection circuit latch-up triggered by a failed NTC thermistor on the power board, causing the unit to enter a non-resettable shutdown state even when ambient and component temperatures are within normal operating range.
Technical Specifications
| Manufacturer: | Tennant |
| Voltage: | 24 VDC |
| Type: | Tennant ECU |
