Error: Sample Syringe HW Lost Steps (value) on ACQUITY Sample Manager - WKB3198

SYMPTOMS

• Sample Syringe HW lost Steps (56) error in Console on ACQUITY UPLC
• Unable to prime sample syringe/perform injections

ENVIRONMENT

• ACQUITY UPLC System
• ACQUITY Sample Manager (SM)
• ACQUITY UPLC Sample Manager - Flow Through Needle (SM-FTN)

CAUSE

• Worn/damaged metering syringe drive timing belt.

FIX or WORKAROUND

1. Power-off Sample Manager
2. Try manually turning the belt at the base of the sample syringe.
3. Replace worn/loose timing belt.

ADDITIONAL INFORMATION

Timing belt part number: 700003909