Troubleshooting

Common Issues

API Key Problems

"Invalid API Key" Error

• Go to plemeo.ai → My Apps → PlemeoOCR
• Copy the exact API key and paste it into n8n
• Ensure PlemeoOCR app is active and purchased

"API Key Not Found"

• Purchase PlemeoOCR from the App Store
• Check "My Apps" section for the API key

Connection Problems

"Connection Timeout" or "Network Error"

• Verify internet connectivity
• Check server settings:
  • API Hostname: ai-test.plemeo.de
  • API Port: 8000
  • API Path: /process_ocr
  • Protocol: HTTPS

File Processing Issues

Poor OCR Results

• Use higher resolution images (300+ DPI)
• Ensure good contrast between text and background
• Use PNG format for images, PDF for documents
• Avoid skewed or rotated documents

"Unsupported File Format"

• Supported: PNG, JPG, JPEG, PDF
• Convert other formats before processing

Large File Failures

• Compress images while maintaining quality
• Split large PDFs into smaller sections
• Process files sequentially instead of parallel

Node Configuration Issues

Node Not Found in n8n

• Install PlemeoOCR community node
• Or use HTTP Request node with manual API configuration

Configuration Not Saving

• Clear n8n browser cache
• Restart n8n instance

What's Next?

• Usage Guide - Review node configuration details
• Example Workflow - See working implementation
• Back to Overview - Return to PlemeoOCR main page