⚡
gEncompassGenerator Code Vault™
Sign in
Field Technician Tool

Every fault code.
Offline. At the unit.

The advanced technician's diesel generator reference. Look up any code, get the likely cause and the fix with real spec values — with no signal, standing at the machine.

3,743Fault codes
38Brands
55Sensor tests
14Controller guides
Step 1

Create your account

One account works on every device — phone, Mac and PC. Your 7-day free trial starts now, no card needed.

All platforms

💻 Windows Available

Windows 10 & 11 · 64-bit · ~90 MB
  • Full Job Builder — single-line diagrams & order sheets
  • Works completely offline
  • Start Menu & desktop shortcut
Download installer Portable
Sign in above to download
If Windows shows "Windows protected your PC"
  1. Click More info
  2. Click Run anyway

🖥 Mac Available

macOS 10.13+ · Apple Silicon & Intel · ~100 MB
  • Full Job Builder — single-line diagrams & order sheets
  • Works completely offline
  • Lives in Applications like any Mac app
Apple Silicon Intel Mac
Sign in above to download
If macOS says the app "is damaged"
  1. Right-click the app in Applications
  2. Choose Open
  3. Click Open again
Only needed the first time.

🌐 Any device Available

Web app · Chrome, Edge or Safari · phone, tablet or computer
  • Nothing to install — open the link
  • Add to your home screen or dock and it runs like an app
  • Works offline once loaded
  • Always the newest codes, no updating
Open the web app
Install it to your device
  1. iPhone / iPad: Safari → Share → Add to Home Screen
  2. Android: Chrome → ⋮ → Add to Home screen
  3. Windows / Mac: Chrome or Edge → install icon in the address bar

📱 iPhone & iPad Install today

Add to Home Screen · Safari · iOS 15+
  • Every fault code, sensor test, calculator & controller guide
  • Opens full screen with its own icon — same as an App Store app
  • Works offline at the unit once it has loaded
  • Job Builder needs a computer
Open in Safari
Put it on your home screen — 15 seconds
  1. Open codevault.gencompass.com in Safari (this only works in Safari, not Chrome)
  2. Tap the Share button — the square with an arrow, at the bottom
  3. Scroll down and tap Add to Home Screen
  4. Tap Add. The icon appears with your other apps.
The App Store version is on the way. Anything you save now stays in your account, so nothing is lost when you switch over.

🤖 Android Install today

Install app · Chrome
  • Every fault code, sensor test, calculator & controller guide
  • Opens full screen with its own icon in the app drawer
  • Works offline at the unit once it has loaded
  • Job Builder needs a computer
Open in Chrome
Put it on your home screen — 15 seconds
  1. Open codevault.gencompass.com in Chrome
  2. Tap ⋮ (three dots, top right)
  3. Tap Install app, or Add to Home screen on older phones
  4. Tap Install. The icon appears with your other apps.
The Google Play version is on the way. Anything you save now stays in your account, so nothing is lost when you switch over.