Hach TU5300 sc - Troubleshooting Information

Replace the tubing
Replace the tubing when the tubing has a blockage or has damage.
Turn the flow shutoff valve to stop flow to the instrument. Then refer to Plumb the instrument
on page 17 to replace the tubing.
Troubleshooting
Refer to the expanded user manual on www.hach.com for troubleshooting information.
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