> ## Documentation Index
> Fetch the complete documentation index at: https://docs.supplyline.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Troubleshooting

> Problem diagnosis and solutions for LMI TD Series metering pumps

# TD Series Troubleshooting

<Note>
  This page is under development. See the [raw manual](/docs/lmi/td/raw-manual) for complete troubleshooting guide.
</Note>

## Common Issues

| Problem          | Possible Cause           | Solution               |
| ---------------- | ------------------------ | ---------------------- |
| Pump won't prime | Air leak in suction line | Check all connections  |
| Low output       | Worn diaphragm           | Replace diaphragm      |
| Erratic flow     | Debris in valves         | Clean valve cartridges |