Brookfield DV-III Rheometer - Manual (Page 63)

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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
Rheometer Will Not Return to Zero
1. Pivot point or jewel bearing faulty
• Perform calibration check, Section 3.3.9 of "More Solutions to Sticky Problems"
• 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
• Replace Spindle
• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for repair
3. Temperature fluctuation in sample fluid
• Use temperature bath control
• Check probe performance in known fluid (ice water)
4. Special characteristic of sample fluid
• Refer to Appendix C
Recorder Pen Moves in Wrong Direction
1. Output polarity reversed
• Reverse leads
No Recorder Response
1. Rheometer is at zero reading
2. Recorder is off
3. Output cable leads shorted
4. Recorder is in standby
5. Range setting is incorrect.