No capillary voltage in ESI negative mode on the SQD2, Xevo TQ MS, Xevo TQD, Xevo TQ-S, Xevo TQ-S Micro or Xevo TQ-XS - WKB83972
Article number: 83972
SYMPTOMS
- Capillary voltage is set at 3.0 and randomly drops to zero
- Works fine in ESI Postive mode
ENVIRONMENT
- Xevo TQD
- SQD2
- Xevo TQ MS
- Xevo TQ-S
- Xevo TQ-S micro
- Xevo TQ-XS
CAUSE
Capillary voltage is set too high, which is causing arcing.
FIX or WORKAROUND
Drop the ESI negative capillary below 2.0 kV.
ADDITIONAL INFORMATION