A fault code is evidence, not the complete diagnosis.
Fault history, supply, motor, load, cooling and control evidence are separated before parts or settings are changed.
New Start Energy
Independent ABB ACS drive fault assessment, repair planning, parameter recovery, installation, retrofit and commissioning support across the UK.
Fault history, supply, motor, load, cooling and control evidence are separated before parts or settings are changed.
The complete ACS type code, rating, firmware, option cards and parameter backup determine the practical support route.
Repair, temporary hire, replacement or engineered retrofit is selected against downtime risk, condition and lifecycle position.


Share the equipment, application, operating risk and timescale so the engineering team can identify the right next action.

NSE assesses the ABB drive, motor, supply, cooling, controls and application before recommending repair, replacement, temporary hire or an engineered upgrade.
Support covers common ACS machinery, HVAC and industrial families, including ACS355, ACS380, ACS550, ACS580, ACS600, ACS800 and ACS880 installations.
Request an ABB drive assessmentFull ACS type code, serial number, current rating, supply voltage and option cards.
What the drive controls, duty profile, fault history and what happened before the trip.
Motor nameplate, cable information, incoming supply and any recent electrical work.
Available backups, network details, PLC interfaces and control method.
Power-stage, control-board, cooling and ancillary faults assessed, repaired and tested.
Obsolete ABB drives migrated with settings, interfaces and process requirements preserved.
Application review, fault assessment, parameter handling, replacement and commissioning for appropriate ACS equipment.
Assessment of drive, motor, process demand, control signals and communications.
Condition, lifecycle and retrofit planning where direct repair or like-for-like replacement may not be practical.
ACS880, ACS800, ACS580, ACS550, ACS355, ACH580, ACH550 and ACQ580 enquiries can be assessed from the full equipment designation.
NSE does not claim ABB authorisation. Any manufacturer accreditation is stated only where current evidence supports it.
For diagnosable faults where equipment remains supportable; confirm condition, parts, testing and production window.
For obsolescence or damage; confirm ratings, duty, controls, communications, safety functions and dimensions.
For a controlled interim solution; confirm current, voltage, overload, braking, control and enclosure.
Current and legacy ABB ACS equipment is reviewed against exact model, rating, firmware, options, parts position and required work.
No. The root cause may sit in the supply, motor, cabling, cooling, controls, communications or process.
The complete type designation, serial number, power, current, voltage, fault wording, application, photographs and any backup or history.
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Do not open energised equipment or bypass safety systems. For urgent breakdown support call 0330 153 9188.