Poor beam on Quattro Premier - WKB67454
Article number: 67454
SYMPTOMS
- Very poor beam on Quattro Premier (see screenshot):
- Beam is restored when the extractor voltage is turned up to 8V (see screenshot):
ENVIRONMENT
- Quattro Premier
- Quattro Premier XE
CAUSE
Gradient barrier before or after the extractor
FIX or WORKAROUND
- Replace the ion block (M945818CC2-S) and the T-Wave (M946438CC1).
ADDITIONAL INFORMATION
id67454, QUATPREMXE, QUPREMIER