ACQUITY SM-FTN: Z-axis move H/W fault - WKB26140

SYMPTOMS

• Following error might also occur:
  • Error: zp axis move H/W fault.
  • Error: Needle arm home h/w fault.
  • Error: Rotary tray home h/w fault.
  • Error: z axis home hw fault.
• Error can clear when instrument is reset.
• Error can occur either during startup or injection.
• Needle seal readiness test fails. 

ENVIRONMENT

• ACQUITY UPLC H-Class Bio
• ACQUITY UPLC H-Class
• ACQUITY UPLC H-Class PLUS
• ACQUITY UPLC H-Class PLUS Bio
• ACQUITY UPLC I-Class
• ACQUITY UPLC I-Class PLUS
• ACQUITY UPLC M-Class
• ACQUITY APC
• ACQUITY Arc

CAUSE

The needle is damaged (bent).

FIX or WORKAROUND

1. Replace the needle.
2. Calibrate z axis.
3. Characterize the needle seal.

ADDITIONAL INFORMATION