No peaks eluting from the GC column when using APGC - WKB114229

SYMPTOMS

• No peaks elute from column 
• Complete noise background; no bleed peaks come off
• Cone gas set to 0 in order to elevate any background peaks (should be between 100 and 150 in stepwave instrument)
• Peaks ionizing the heptacosa in background 
• All other source conditions tuned normally 

ENVIRONMENT

• APGC
• UNIFI
• Xevo G2-XS
• Xevo G2-S
• Xevo TQ-S
• Xevo TQ-XS
• SYNAPT G2
• SYNAPT G2-S 
• SYNAPT G2-Si

CAUSE

Broken column (column snapped in the middle)

FIX or WORKAROUND

Swap columns

ADDITIONAL INFORMATION