Voltage Inverter Repair Costs
DC Bus Capacitors:Parts: $40 | Labor (1 hr @ $125/hr): $125 | Total: $165
IGBT/MOSFET Modules:Parts: $150 | Labor (2 hrs @ $125/hr): $250 | Total: $400
Control Board:Parts: $100 | Labor (1.5 hrs @ $125/hr): $187.50 | Total: $287.50
Transformer:Parts: $80 | Labor (2 hrs @ $125/hr): $250 | Total: $330
Gate Driver Circuit:Parts: $70 | Labor (1 hr @ $125/hr): $125 | Total: $195
Cooling Fan:Parts: $30 | Labor (0.5 hrs @ $125/hr): $62.50 | Total: $92.50
Heatsink:Parts: $50 | Labor (1 hr @ $125/hr): $125 | Total: $175
Inverter Housing
1. Inspect the housing for cracks or signs of damage.
2. Remove any dirt or debris using compressed air.
3. Reseal or replace damaged gaskets or seals to prevent moisture or dust entry.
4. Reattach and torque mounting bolts according to manufacturer specifications.
IGBT (Power Module)
1. Disconnect battery and ensure high-voltage system is fully discharged.
2. Remove the protective cover and carefully unplug the module connectors.
3. Check for burn marks or discoloration on the module and surrounding area.
4. Replace the module if damaged and confirm secure, clean connections.
5. Reinstall the cover and confirm all fasteners are properly torqued.
Capacitors
1. Isolate power by disconnecting all supply sources.
2. Check for swelling, leakage, or physical damage.
3. Desolder or unbolt faulty capacitors from the circuit board or bus bars.
4. Install new capacitors with correct voltage/current ratings and polarity.
5. Perform a voltage test to ensure proper operation before reassembly.
Control Circuit Board
1. Disconnect the inverter from all electrical sources.
2. Visually inspect for burnt components, loose connectors, or cracked solder joints.
3. Replace damaged components or resolder any loose connections.
4. Clean circuit board using electronics cleaner and allow to dry.
5. Reinstall and secure all connectors, ensuring correct orientation and fit.
Cooling System
1. Drain or disconnect the cooling lines and remove any hoses or fittings if required.
2. Inspect the heat sink, fins, and coolant channels for blockages or corrosion.
3. Flush and refill the cooling system with the recommended coolant and check for leaks.
4. Verify functioning of the cooling fan or pump, replacing if necessary.
5. Ensure all hose clamps and seals are properly tightened and free of leaks.
Connectors and Wiring
1. Turn off all power and wait for capacitors to discharge.
2. Inspect connector pins for corrosion or damage and wiring for breaks or fraying.
3. Clean or replace any corroded pins, ensuring a firm fit.
4. Secure loose wiring using appropriate ties or clips.
5. Conduct a continuity test to confirm proper connections before turning the power on.
What is a Voltage Inverter and what does it do
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DC Input
Signs of failure or needed repair:
- Loose or corroded connections.
- Worn cables presenting intermittent power delivery.
- Overheating connectors or visible burn marks.
Fuse or Breaker
Signs of failure or needed repair:
- Frequent tripping or blown fuses without clear cause.
- Visible discoloration or cracking of the fuse body.
- Intermittent power interruptions due to loose breaker connections.
Power Switching Stage (MOSFETs or IGBTs)
Signs of failure or needed repair:
- Excessive heat or burn marks on transistor packages.
- Unusual noises (humming, buzzing) under load.
- Sudden and repeated shutdowns of the inverter.
Transformer or Inductor
Signs of failure or needed repair:
- Audible humming or rattling beyond normal operation.
- Discoloration, burning smell, or signs of melting insulation.
- Loss of output voltage regulation under normal load.
Output Filter (Capacitors, Inductors)
Signs of failure or needed repair:
- Swollen or leaking capacitors.
- Excess ripple or noise in output voltage.
- Sparks or burning odor from filter components.
Control Circuit Board
Signs of failure or needed repair:
- Erratic voltage output or incorrect status indicators.
- Burn marks or scorched circuit traces.
- Failure to respond to control commands or display feedback.
Cooling System (Fans, Heat Sinks)
Signs of failure or needed repair:
- Increased internal temperatures leading to shutdowns.
- Loud or grinding noises from failing fan bearings.
- Excessive dust buildup reducing cooling effectiveness.
AC Output
Signs of failure or needed repair:
- Loose or damaged terminals causing poor connection.
- Flickering lights or fluctuating voltage on connected loads.
- Overheating at output connections.
Display or Indicators
Signs of failure or needed repair:
- Unresponsive or flickering display.
- Incorrect readings or warning lights stuck on/off.
- Physical damage or signs of moisture infiltration under the display panel.
How It Works
- Get a quote online or set-up a time to have your vehicle looked at.
- Pick time slots that work for you, easily, online.
- We will confirm appointments and send reminders.
- Our mechanics bring everything that is needed to you.
- All you have to do is provided a safe area for the work to be performed.
What we need from you
- A safe place to work on your vehicle
- No working on the side of busy roads
- No working on unstable or steep surfaces.
- We do not perform repairs during severe weather.
- Authorization from a property owner or management.
- Repair work done in a parking lot or at your requires permission.
- We do not do repairs in areas restricted by law.
Common Questions
Service Area
Our primary service area is greater Grand Rapids and includes Comstock Park, East Grand Rapids, Grandville, Kentwood, Walker, and Wyoming
Our secondary service area is provided by our Belding location and includes: Belding, Greenville, Ionia and the sorrounding areas.
Contact us if you have any questions about where we provide services.
