
WHEATON UniSpense
®
PRO Peristaltic Pump
WHEATON | 800.225.1437 (U.S. & Canada Only) | 856.825.1100 | www.wheatonsci.com| P/N 50099073 Rev. 2/2/10 Lit. No.8734
19
Liquid continues to drip from tubing even after pump has stopped;
Cause:
Tubing is worn.
Remedy:
Replace with fresh tubing.
Cause:
Tubing Wall Thickness mismatch with pump head used.
Remedy:
Tubing wall weight should match pump head specifications.
Inaccurate Volume Delivery
Cause:
Tubing assembly worn.
Remedy:
Replace tubing assembly.
Cause:
Pump not calibrated properly.
Remedy:
Calibrate unit as described in ‘Making a Calibration’ section.
Cause:
Defective electronics.
Remedy:
Refer problem to authorized repair agent.
Cause:
Side clamps on pump head not adjusted properly.
Remedy:
Adjust per instructions in ‘Initial Startup and Operation’.