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Engineering tools

Free calculators and diagnostic tools built by our engineers.

• All Engineering Tools
• Power Calculators
• Generator Oracle
• Solar Genius Pro
• AquaScan Pro
• Pro Building Suite
• EIMS Pro Workspace
• Diagnostics Hub
• Troubleshooting Wizard
• Fault Code Library

Repair Centre — categories

15 equipment categories.

• Repair Centre home
• Generator Repair & Troubleshooting
• Inverter Repair & Troubleshooting
• UPS Repair & Troubleshooting
• PCB & Motherboard Repair
• ATS & Changeover Panel Diagnosis
• Motor Diagnosis & Rewinding
• Pump Diagnosis & Repair
• Solar PV Diagnosis & Repair
• Industrial Electronics & Drives
• Electrical Safety & Safe Isolation
• Fuel & Combustion Diagnosis
• Test Instruments & Measurement
• Fault Codes & Diagnostic Messages
• Engine Mechanical Diagnosis
• Controller Diagnostics

Repair Centre — diagnosis guides

60 free step-by-step guides.

• Generator Cranks But Will Not Start
• Generator Starts Then Stops
• Generator Low Oil Pressure Shutdown
• Generator Runs But Produces No Voltage
• Generator Voltage Unstable or Hunting
• Generator Overheating and High Coolant Temperature Shutdown
• AVR Fault Diagnosis
• Starter Motor Clicks But Will Not Crank
• Online UPS Bypass Fault
• PCB Short-Circuit Diagnosis
• Industrial Motherboard Power-Rail Diagnosis
• ATS Not Changing Over
• Generator Starting Battery Not Charging
• UPS Inverter Fault
• Reading a Generator Controller Alarm Correctly
• Three-Phase Motor Failure
• Borehole Pump Runs But Delivers No Water
• Solar System Producing Less Than Expected
• VFD Tripping
• Safe Isolation and Proving Dead
• Generator Excessive Smoke
• Test Instruments and the Measurement Errors That Mislead You
• Reading J1939 Engine Fault Codes
• Diesel Engine Abnormal Noise
• Solar Charge Controller Not Charging the Battery
• Solar String Faults
• Module Degradation and Bypass Diode Failure
• Motor Overload Keeps Tripping
• Pump Runs Continuously and Will Not Shut Off
• Generator Starts in Manual But Not in Auto
• Replacing a UPS Battery String Safely
• Generator Will Not Transfer Back to Mains
• Diesel Fuel Contamination
• Inverter Switches Off When Load Is Connected
• Inverter Will Not Switch On
• Inverter Not Charging Batteries
• Inverter MOSFET Failure
• IGBT Testing and Failure Symptoms
• Solar Inverter DC Bus Fault
• UPS Not Charging Batteries
• UPS Running on Battery While Mains Is Present
• UPS Will Not Power On
• Motor Bearing Failure
• Borehole Drop Cable, Splice and Motor Testing
• Board Powers Up But Does Nothing
• Board Cleaning, Track Repair and Contamination
• Repair or Replace
• Drive Overheating and Thermal Derating
• Motor Cable, Screening and Earth Leakage
• DC Bus Capacitor Ageing and Reforming
• ATS Contactor, Motor Operator and Interlock Faults
• ATS Position Indication and Auxiliary Contacts
• Air Restriction and Turbocharger Faults
• Altitude and Ambient Derating
• Valve Train and Clearances
• Turbocharger Mechanical Condition
• Hydraulic Wear and Sand Abrasion
• Inverter Overheating
• Insulation Testing Without Destroying the Electronics
• Controller Communication Faults

Kenya — county coverage

All 47 counties. Each county page links on to the towns and services available there.

• Kenya — all counties
• All service locations
• Nairobi
• Mombasa
• Kilifi
• Kwale
• Taita Taveta
• Lamu
• Tana River
• Kiambu
• Nyeri
• Murang'a
• Kirinyaga
• Nyandarua
• Nakuru
• Uasin Gishu
• Kericho
• Bomet
• Narok
• Kajiado
• Baringo
• Laikipia
• Trans Nzoia
• Nandi
• Elgeyo Marakwet
• West Pokot
• Turkana
• Samburu
• Kakamega
• Bungoma
• Busia
• Vihiga
• Kisumu
• Kisii
• Nyamira
• Homa Bay
• Migori
• Siaya
• Machakos
• Makueni
• Kitui
• Meru
• Tharaka Nithi
• Embu
• Isiolo
• Marsabit
• Garissa
• Wajir
• Mandera

East Africa

68 city pages across 9 countries.

• East Africa overview
• Kampala, Uganda
• Entebbe, Uganda
• Jinja, Uganda
• Mbale, Uganda
• Mbarara, Uganda
• Gulu, Uganda
• Lira, Uganda
• Fort Portal, Uganda
• Masaka, Uganda
• Kasese, Uganda
• Dar es Salaam, Tanzania
• Dodoma, Tanzania
• Arusha, Tanzania
• Mwanza, Tanzania
• Moshi, Tanzania
• Tanga, Tanzania
• Morogoro, Tanzania
• Zanzibar City, Tanzania
• Mbeya, Tanzania
• Iringa, Tanzania
• Kigali, Rwanda
• Butare, Rwanda
• Gisenyi, Rwanda
• Ruhengeri, Rwanda
• Gitarama, Rwanda
• Cyangugu, Rwanda
• Byumba, Rwanda
• Nyanza, Rwanda
• Juba, South Sudan
• Wau, South Sudan
• Malakal, South Sudan
• Bor, South Sudan
• Yei, South Sudan
• Torit, South Sudan
• Rumbek, South Sudan
• Aweil, South Sudan
• Kinshasa, DR Congo
• Lubumbashi, DR Congo
• Goma, DR Congo
• Bukavu, DR Congo
• Kisangani, DR Congo
• Mbuji-Mayi, DR Congo
• Kananga, DR Congo
• Kolwezi, DR Congo
• Addis Ababa, Ethiopia
• Dire Dawa, Ethiopia
• Mekelle, Ethiopia
• Gondar, Ethiopia
• Hawassa, Ethiopia
• Bahir Dar, Ethiopia
• Adama, Ethiopia
• Jimma, Ethiopia
• Djibouti City, Djibouti
• Ali Sabieh, Djibouti
• Tadjoura, Djibouti
• Obock, Djibouti
• Dikhil, Djibouti
• Asmara, Eritrea
• Massawa, Eritrea
• Keren, Eritrea
• Assab, Eritrea
• Mendefera, Eritrea
• Hargeisa, Somaliland
• Berbera, Somaliland
• Burao, Somaliland
• Borama, Somaliland
• Las Anod, Somaliland
• Erigavo, Somaliland

Sectors we serve

• Supermarkets
• Restaurants
• Quarries
• Apartments
• Homes
• Farms
• Ranches
• Embassies
• Consulates
• Private Offices
• Tourist Destinations
• Masai Mara

Maintenance hubs

• Generator Maintenance
• Solar Maintenance
• HVAC Maintenance
• Borehole Maintenance
• Electrical Maintenance
• Motors Maintenance
• Incinerator Maintenance
• Fabrication & Welding

Knowledge & articles

22 articles.

• Blog index
• Knowledge Base
• Technical Bible
• Resources & Learning Hub
• Essential Generator Maintenance Tips for Kenya: Complete 2025 Guide
• How to Cut Generator Running Costs by 40%: Proven Strategies for Kenya
• Generator Buying Guide Kenya 2025: Expert Tips to Get the Best Deal
• Generator Safety Tips: Protecting Your Family and Business in Kenya
• Generator Fire Safety: Prevention, Protection, and Emergency Response
• Solar Energy Solutions in Kenya 2025: Complete Guide for Homes and Businesses
• How Kenya Weather Affects Your Generator: County-by-County Guide
• DIY Generator Maintenance: What You Can Safely Do at Home
• Diesel Generator Best Practices: Maximize Performance and Lifespan
• Generator ROI Analysis: Is a Generator Worth the Investment in Kenya?
• Solar Installation Tips: How to Get the Best Deal in Kenya
• Generator Procurement in Kenya: Local Sourcing vs Import Guide
• Generator Servicing Cost in Kenya 2025: Complete Price Guide
• Why Your Generator Loses Power in Nairobi & Eldoret: Altitude Derating Explained
• Solar vs Diesel vs Grid: The True Cost per kWh in Kenya (2026)
• UPS Sizing & Runtime for Kenyan Businesses: VA, Watts and the Battery Truth
• Power Factor Correction in Kenya: How to Cut Your KPLC Bill
• Borehole Pump Selection in Kenya: Test-Pumping, Head & Not Burning Out Your Pump
• When to Upgrade to an 11kV/33kV Intake in Kenya (and the Transformer Maths)
• Lead-Acid vs Lithium (LiFePO4): Choosing Solar & UPS Batteries in Kenya
• Earthing & Lightning Protection for Kenyan Buildings: The Invisible Safety System
• How Big an Air Conditioner Do You Need? Cooling Load Sizing in Kenya

More pages

Everything else we publish, taken straight from the sitemap.

• /ai-tools/capabilities
• /all-tools
• /aquascan-pro-v3/compare
• /aquascan-pro-v3/reports
• /faults/comap-a001
• /faults/comap-a015
• /faults/comap-a020
• /faults/comap-a030
• /faults/comap-a040
• /faults/comap-a050
• /faults/comap-a060
• /faults/dse-e020
• /faults/dse-e040
• /faults/dse-e070
• /faults/dse-e090
• /faults/dse-e100
• /faults/dse-e110
• /faults/dse-e120
• /faults/dse-e125
• /faults/dse-e130
• /faults/dse-e140
• /faults/perkins-100
• /faults/perkins-110
• /faults/perkins-111
• /faults/perkins-115
• /faults/perkins-190
• /faults/perkins-2387
• /faults/perkins-94
• /faults/spn-100
• /faults/spn-102
• /faults/spn-105
• /faults/spn-110
• /faults/spn-111
• /faults/spn-115
• /faults/spn-1514
• /faults/spn-157
• /faults/spn-190
• /faults/spn-3556
• /faults/spn-639
• /faults/spn-94
• /generators/installation
• /generators/leasing
• /generators/maintenance
• /generators/maintenance-companion
• /generators/rental
• /generators/spare-parts
• /generators/spare-parts/alternators
• /generators/spare-parts/batteries
• /generators/spare-parts/bearings-seals
• /generators/spare-parts/belts-pulleys
• /generators/spare-parts/control-panels
• /generators/spare-parts/cooling-system
• /generators/spare-parts/crankshafts-rods
• /generators/spare-parts/cylinder-liners
• /generators/spare-parts/electrical-components
• /generators/spare-parts/enclosures
• /generators/spare-parts/engine-block
• /generators/spare-parts/engine/1104c-44
• /generators/spare-parts/engine/1104c-44t
• /generators/spare-parts/engine/1104c-e44t
• /generators/spare-parts/engine/1106c-e66t
• /generators/spare-parts/engine/3054c
• /generators/spare-parts/engine/3056e
• /generators/spare-parts/engine/403c-15
• /generators/spare-parts/engine/403d-15
• /generators/spare-parts/engine/404c-22
• /generators/spare-parts/engine/404d-22
• /generators/spare-parts/engine/4bt3-9
• /generators/spare-parts/engine/4bta3-9
• /generators/spare-parts/engine/6bt5-9
• /generators/spare-parts/engine/6bta5-9
• /generators/spare-parts/engine/6ct8-3
• /generators/spare-parts/engine/6cta8-3
• /generators/spare-parts/engine/c6-6
• /generators/spare-parts/engine/c7-1
• /generators/spare-parts/engine/isbe4
• /generators/spare-parts/engine/isbe6
• /generators/spare-parts/engine/nt855
• /generators/spare-parts/engine/qsb4-5
• /generators/spare-parts/engine/qsb6-7
• /generators/spare-parts/exhaust-system
• /generators/spare-parts/filters
• /generators/spare-parts/fuel-tanks
• /generators/spare-parts/gauges
• /generators/spare-parts/hardware
• /generators/spare-parts/hoses-clamps
• /generators/spare-parts/injectors-fuel
• /generators/spare-parts/lubricants
• /generators/spare-parts/oil-pumps
• /generators/spare-parts/pistons-rings
• /generators/spare-parts/safety-fire
• /generators/spare-parts/timing-gears
• /generators/spare-parts/tools
• /generators/spare-parts/turbochargers
• /generators/spare-parts/valves-train
• /generators/spare-parts/wiring-electrical
• /generators/systems
• /generators/used
• /generators/workshop-services
• /hub
• /hub/abuse
• /hub/authenticity
• /hub/diagnostics
• /hub/doc-pack
• /hub/installation
• /hub/learn
• /hub/library
• /hub/lifecycle
• /hub/maintenance
• /hub/power-quality
• /hub/product-intelligence
• /hub/quote-audit
• /hub/safety
• /hub/simulator
• /hub/solar-ups
• /hub/ups-lab
• /hub/verifier
• /industries/banks-financial
• /industries/churches-religious
• /industries/commercial-property
• /industries/flower-farms
• /industries/government-ngos
• /industries/healthcare
• /industries/hospitals-healthcare
• /industries/hotels-hospitality
• /industries/manufacturing
• /industries/manufacturing-industries
• /industries/real-estate-construction
• /industries/schools-universities
• /industries/telecommunications
• /maintenance-hub
• /maintenance-hub/general
• /maintenance-hub/welding
• /products/generator-oracle
• /services/ac-installation
• /services/ats-changeover
• /services/borehole-pumps
• /services/cummins-generators
• /services/distribution-boards
• /services/generator-repairs
• /services/hospital-incinerators
• /services/motor-rewinding
• /services/solar-energy
• /services/ups-systems
• /site-directory
• /solar-design-studio
• /solar-genius-pro-futuristic
• /solar-genius-pro-tools
• /solar-genius-pro/calculator-advanced
• /solar-genius-pro/design-studio
• /solar-genius-pro/fault-codes
• /solar-genius-pro/solar-dashboard
• /solutions
• /solutions/building
• /solutions/diesel-automation
• /solutions/fabrication
• /solutions/high-voltage
• /solutions/incinerators
• /solutions/power-interruptions
• /solutions/solar-sizing

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