Cole Parmer Masterflex L/S Pump Drive 07522-20 W/ 7519-20 Pump Head - AS IS

Unit powers on, but as soon as you press start, the screen shows Error 52 - No Encoder Feedback. Unit will not turn pump head. Pump head does move freely when turned manually. For this reason, we are selling the unit AS-IS for parts/repair as a non-working or incomplete unit.

We have not tested / inspected any further, item may have unknown issues we are not aware of.

See all item photos for the condition of the unit.

Includes Pump Head 7519-20 and 2x 07519-85 Cartridges. Unless pictured, no power adapter / power cable included.

The unit is on hand and ready to ship. Please feel free to message us with any questions you may have.