Brookfield DV-II+ Digital Viscometer Manuel d'utilisateur télécharger pdf (Page 48)

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Appendix J - Fault Diagnosis and Troubleshooting

Listed are some of the more common problems that you may encounter while using your Viscom-

eter.

Spindle Does Not Rotate

1. Incorrect power supply

• Check - must match Viscometer requirements

2. Viscometer not plugged in

• Connect to appropriate power supply

3. Power switch in “off” position

• Turn power switch on

Spindle Rotates Eccentrically

1. Viscometer is not level

• Adjust the laboratory stand

2. Spindle not screwed securely to coupling

• Tighten

3. Dirt in spindle or Viscometer coupling

• Clean

4. Bent spindle

• Check other spindles - replace any that are bent

• If all rotate eccentrically, contact Brookfield Engineering Laboratories, Inc. or your

Brookfield dealer for repair

Note: Maximum permissible runout is 1/16 inch (1.6 mm) at end of spindle.

5. Spindle coupling bent

• Contact Brookfield Engineering Laboratories, Inc. or your Brookfield dealer for

repair

No Display Reading

1. Underrange “—” (in cP or SS) when % torque is below zero

• Change spindle and/or speed

• Perform an Auto Zero

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Brookfield DV-II+ Digital Viscometer Manuel d'utilisateur Page 48