Error: x axis home h/w fault - Sample Manager - WKB2139

SYMPTOMS

• Console shows error X axis H/W fault
• Grinding noise when sample manager tries to home after a reset
• Restart clears the error, but faults again during injection

ENVIRONMENT

• ACQUITY UPLC Sample Manager

CAUSE

Unit has not been characterized in a long time.

FIX or WORKAROUND

1. Remove the two plates.
2. Power-off the Sample Manager.
3. Move the needle carriage gently back and forth couple times, paying attention to the flex cable to avoid damaging it.
4. Power-on the Sample Manager.
5. Put the plates back in place.
6. Prime wash solvents.
7. Characterize needle seal.
8. Characterize needle and sample loop volumes.

ADDITIONAL INFORMATION