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# Troubleshooting

## Common Problems

| Problem                                 | Most Common Reasons                                                                                                                                         |
| --------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Can't retrieve Study List over DICOMWeb | 1. QIDO root URL is incorrect 2. DICOM Web is not enabled on PACS                                                                                       |
| Can't retrieve Study List over DIMSE    | 1. PACS is not configured to allow connections from OHIF Meteor Server                                                                                      |
| Can't retrieve images                   | 1. WADO Root URL is incorrect 2. DICOM Web is not enabled on PACS 3. HTTP Basic Authentication username and password are incorrect or not provided. |



## Debugging Steps
### Can't retrieve Study List over DICOMWeb

1. Check that you can query your PACS using an alternative DICOM Web client (e.g. cURL, or a Web Browser). If you cannot, then your PACS is configured incorrectly. Refer to the documentation of the image archive.
2.


### Can't retrieve Study List over DIMSE

### Can't retrieve images