VFD, PLC & HMI Repair Service in Karachi | AARI Electronics
Karachi's Trusted Repair Specialists

VFD, PLC & HMI Repair Service in Karachi

Component-level repair of Variable Frequency Drives, PLCs, HMIs, servo drives & industrial power supplies. Serving SITE, Korangi, Landhi, FB Area & across Karachi since 10+ years.

500+Clients Served
98%Success Rate
24hrDiagnosis
24hrchecking Warranty

πŸ”§ Free Pickup Available In:

  • βœ“ SITE Area, Karachi
  • βœ“ Korangi Industrial Area
  • βœ“ Landhi Industrial Area
  • βœ“ Federal B Area (FB Area)
  • βœ“ North Karachi Industrial Zone
  • βœ“ Saddar & City Area
  • βœ“ Nationwide courier repair available
πŸ’¬ Send Us Your Fault Description

Complete Industrial Repair Solutions

All repairs are done at component level with genuine parts not just module swaps. Full load testing before delivery.

VFD Repair Karachi

Variable Frequency Drive & Inverter Repair

We provide expert VFD repair service in Karachi for all makes and models. Our engineers perform component-level diagnosis IGBT modules, capacitors, driver boards, control cards using proper testing equipment, not guesswork. A faulty VFD can halt your entire production line; our 24-hour turnaround minimises downtime for your factory.

Common VFD faults we fix: overcurrent trips, overvoltage faults, IGBT failure, display errors, no-output faults, communication errors (RS-485/Modbus), encoder faults, and burnt PCB traces.

Siemens Micromaster Delta VFD Yaskawa A1000/V1000 LS Electric iG5 ABB ACS Mitsubishi FR Danfoss FC INVT CHF100 Schneider ATV
  • IGBT & power module replacement with SEMIKRON/Infineon components
  • DC bus capacitor replacement & reform testing
  • Control board & driver card repair
  • Full load test before handover
  • 3-month repair warranty included
  • Free pickup in SITE & Korangi
Get VFD Repair Quote β†’

PLC Repair Karachi

Programmable Logic Controller Repair & Programming

Our PLC repair service in Karachi covers all major brands. Whether your PLC has stopped communicating, has faulty I/O modules, corrupted firmware, or a burnt power supply, our certified engineers diagnose and repair it to factory spec. We also offer PLC programming services in Karachi for upgrades and retrofits.

We repair PLCs for Pharmaceutical, Textile, Food & Beverage, Chemical, Cement, and Packaging industries across Karachi β€” the same industries served by major automation firms in the city.

Siemens S7-200/300/400/1200 Mitsubishi FX/Q Series Omron CP/CJ Series Allen Bradley MicroLogix Delta DVP Series Fatek FBs Xinje XC Series
  • CPU module repair & firmware recovery
  • I/O module fault diagnosis & replacement
  • PLC power supply repair
  • Program backup & restore service
  • Siemens TIA Portal & Step 7 programming
  • SCADA & HMI integration support
Get PLC Repair Quote β†’

HMI Repair Karachi

Touchscreen Panel & Display Repair

We specialise in HMI repair service in Karachi for industrial touchscreen panels and operator interfaces. From a cracked touchscreen to a completely dead panel, our team handles HMI touchscreen repair at component level β€” replacing display modules, touch digitizers, backlight inverters, and control boards without replacing the entire unit, saving you 60–70% vs buying new.

An HMI failure can leave your operators blind to machine status. We prioritise HMI repairs with fast turnaround so your production resumes quickly.

Weintek cMT/MT Series Siemens TP/KTP Series Delta DOP Series MCGS TPC Series Samkoon HMI Wecon HMI Omron NS Series
  • Touchscreen digitizer replacement
  • LCD display module replacement
  • Backlight & inverter repair
  • Control board repair & component replacement
  • HMI program backup before repair
  • Screen calibration after replacement
Get HMI Repair Quote β†’

On-Site Troubleshooting

Factory Floor Service β€” Karachi Industrial Areas

Some faults can only be diagnosed in the actual machine environment. Our on-site industrial troubleshooting service in Karachi brings our engineers directly to your factory floor in SITE, Korangi, Landhi, and surrounding industrial zones. We carry test equipment, spare parts, and laptops loaded with PLC/HMI programming software for same-visit fixes where possible.

Ideal for: machine commissioning, production line breakdowns, wiring faults, drive-motor mismatch, encoder issues, and preventive maintenance schedules. We also service CNC machine controllers on-site across Karachi.

CNC Controllers Servo Systems Control Panels Motor Drives SCADA Systems Sensors & Encoders
  • Same-day response for SITE & Korangi clients
  • Fault diagnosis with professional test equipment
  • PLC & HMI programming on-site
  • Drive parameter backup & tuning
  • Preventive maintenance contracts available
  • Emergency breakdown service
Book On-Site Visit β†’

Karachi's Most Trusted Repair Centre

Factory managers from SITE to Korangi trust us because we deliver results β€” not excuses.

20+

Years Experience

Over a decade repairing industrial drives and controllers for Karachi's manufacturing sector.

98%

Success Rate

98% of VFD and PLC cards brought to us are successfully repaired not written off.

24hr

Fast Diagnosis

We deliver a fault diagnosis report within 24 hours so you know the cost before committing.

24hr

Checking Warranty

All repairs carry a 24hr checking warranty. If the same fault returns, we fix it at no charge.

Our Repair Process

Simple, transparent, fast from pickup to delivery in as little as 48 hours.

1

Contact Us

Call or WhatsApp with your drive/PLC model and fault description. We arrange free pickup from your Karachi location.

2

Diagnosis

Component-level inspection using oscilloscopes, thermal cameras and load banks. Written fault report within 24 hours.

3

Repair & Test

Genuine component replacement followed by full load testing under actual operating conditions before sign-off.

4

Delivery

Free delivery back to your site in Karachi. 24hr checking warranty certificate included with every repair.

All Major Industrial Brands

Don't see your brand? Call us if it has a PCB, we can likely fix it.

Siemens
VFD Β· PLC Β· HMI
Delta
VFD Β· PLC Β· HMI
Yaskawa
VFD Β· Servo
LS Electric
VFD Β· PLC
Mitsubishi
VFD Β· PLC Β· HMI
Omron
PLC Β· HMI
ABB
VFD Β· Drives
Danfoss
VFD
Schneider
VFD Β· PLC
Weintek
HMI
INVT
VFD
Allen Bradley
PLC Β· HMI

We Come to
Your Factory in Karachi

AARI Electronics provides VFD, PLC and HMI repair pickup and delivery across all major industrial zones in Karachi. For on-site troubleshooting, our engineers travel to your factory no need for you to transport heavy equipment.

We serve 500+ factory clients across Karachi's industrial belt. Whether you're in a large textile mill in SITE or a packaging plant in Korangi, we understand the pressure of keeping production running.

SITE Area (Phase 1–5)
Korangi Industrial Area
Landhi Industrial Area
Federal B Area
North Karachi
Nazimabad
Saddar / City Area
Shah Faisal Town
Bin Qasim / Port Qasim
Nationwide (courier)

⚑ Emergency Breakdown?

Production stopped? Call us right now. For SITE and Korangi clients, we offer same-day on-site response during working hours.

πŸ“ž Call +92-311-1479008 πŸ’¬ WhatsApp Emergency

Also Shop New & Refurbished

Can't repair? Browse our stock of new and refurbished VFDs, PLCs and HMIs all tested, warranted, and ready to ship across Karachi.

Browse Shop β†’

Frequently Asked Questions

How long does VFD repair take in Karachi?
Most VFD repairs are completed within 48–72 hours from the time we receive the unit. We provide a fault diagnosis within 24 hours so you know the cost upfront. Complex faults or rare parts may take 5–7 days. We always inform you before proceeding.
Do you offer free pickup for repair in Karachi?
Yes. We offer free pickup and delivery for repair units in SITE Area, Korangi, Landhi, FB Area, and most other Karachi industrial zones. Call +92-311-1479008 or WhatsApp to arrange pickup.
What warranty do you provide on repaired drives?
All repairs carry a 3-month warranty. If the same fault recurs within the warranty period, we repair it at no additional charge. Warranty covers the repaired components physical damage after delivery is not covered.
Can you repair a VFD that another shop said is dead?
Yes we frequently repair units that other shops have written off. Our component-level approach means we replace only the failed parts rather than declaring the whole unit dead. Our 98% success rate speaks for itself. Send us a photo on WhatsApp first.
Do you repair Siemens Micromaster VFDs in Karachi?
Yes. Siemens Micromaster 420, 430, 440 and G120 series are among our most frequently repaired drives. We also repair Siemens S7 PLCs and Siemens KTP/TP series HMI panels. We stock common Siemens spare components for faster turnaround.
Can you come to our factory in SITE Area for on-site repair?
Absolutely. Our on-site troubleshooting service covers SITE Area (all phases), Korangi, Landhi, FB Area, and other Karachi industrial zones. Same-day visits are available for urgent breakdowns during working hours (Mon–Sat, 9AM–6PM). Call us to confirm availability.
Do you also sell new VFDs and PLCs?
Yes. AARI Electronics is a supplier of new and refurbished VFDs, PLCs, HMIs, power supplies and industrial sensors. We stock Delta, LS Electric and Siemens drives. If your unit cannot be economically repaired, we can supply a replacement at competitive pricing.
Can you send a drive for repair from outside Karachi?
Yes. We accept repairs from all over Pakistan via courier. Pack the unit carefully, send it to our Karachi workshop, and we return it after repair. WhatsApp us first to confirm the model is repairable. We regularly receive units from Lahore, Faisalabad, and Islamabad.

Ready to Fix Your Drive or PLC?

Free pickup in Karachi Β· 24-hr diagnosis Β· 24hr checking warranty Β· 98% success rate