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VFD Repairs services: 24/7 support, 12 month warranty, component level repair, and exchange services.
Close-up of internal circuitry for VFD repairs

Control Techniques Unidrive SP Repair

Specialist component-level repair for Control Techniques Unidrive SP drives.

Remedy Industrial Electronics provides component-level repair, testing and refurbishment for Control Techniques Unidrive SP drives. We repair obsolete and discontinued models and offer fast turnaround options for urgent breakdowns.

The Control Techniques Unidrive SP is a widely used modular AC drive designed for demanding industrial applications, offering flexible control of induction and permanent magnet motors.

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At Remedy Industrial Electronics, we specialise in the repair, testing and refurbishment of Control Techniques Unidrive SP drives. From power-stage failures and overheating to control faults, communication problems and drives that simply won't power up, our engineers can diagnose and repair your unit at component level.

We can support a wide range of Unidrive SP models and configurations, including obsolete and hard-to-source versions.

Unidrive SP Repair Service

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Component-level fault diagnosis

Power supply repairs

IGBT / power stage replacement

DC bus and braking circuit repairs

Control board repairs

Display and keypad faults

Communication faults

Over-temperature faults

Over-current and over-voltage faults

Drives failing to power up

Intermittent faults

Preventative refurbishment

Common Unidrive SP Fault Codes

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OI.AC – AC overcurrent

OI.br – Braking resistor overcurrent

OU – DC bus overvoltage

UU – DC bus undervoltage

PS – Internal power supply fault

PS.10V – 10V supply overload

PS.24V – 24V supply overload

O.ht2 – Drive heatsink over-temperature

O.CtL – Control board over-temperature

It.AC – Motor overload

External trip (Et)

Overspeed (O.SPd)

Unidrive SP driver

Need your Unidrive SP repaired?

Send us your faulty drive for assessment and repair. We provide a fast, professional service with thorough testing before the drive is returned.​

12-month warranty on repairs

Component-level repair

Fast turnaround available

UK-wide service

Why Choose Remedy Industrial Electronics?

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Component Level Repair

Faults diagnosed at component level wherever practical.

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12-Month Warranty

Every repair is backed by our 12-Month warranty.

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Fast Turnaround

Priority repair options avalable for urgent breakdowns.

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Fully Tested

Units are fully tested before returned to ensure relable operation.

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