Brookfield DV-II+ Digital Viscometer - Manual (Page 49)

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2. Spindle jammed below zero
• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for
repair
Display Reading Over 100
1. Overrange “EEE” (in %, cP, and SS)
• Change spindle and/or speed
Viscometer Will Not Return to Zero
1. Viscometer is not level
• Check with spindle out of the sample
• Adjust the laboratory stand
2. Pivot point or jewel bearing faulty
• Perform calibration check
• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for
repair
Display Reading Will Not Stabilize
1. Check for erratic spindle rotation
• Verify power supply
• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for
repair
2. Bent spindle or spindle coupling
• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for
repair
3. Temperature fluctuation in sample fluid
• Use temperature bath control
4. Special characteristic of sample fluid
• Refer to Appendix C