Corrective Action
Possible Cause
Symptom
a. Adjust IS or ISVF in increments of 100
volts. IonSpray
TM
voltage optimizes over
a wide range-from 2200 V to 2400 V for
the TripleTOF
®
systems, and from 1800
V to 2200 V for other systems.
b. Increase or decrease GS1 in steps of 5.
In general, for negative mode or high
aqueous solvent composition, set GS1 to
25.
c. Decrease the CUR setting.
Note:
Do not set CUR to less than 15.
d. Make sure that the rail is pushed forward
as far as it will go.
a. IonSpray
TM
voltage (IS or ISVF) is too low.
(Droplets appear at the emitter tip when
GS1 is set to 0.)
b. The nebulizer gas (GS1) setting is
incorrect. If it is too low, the spray bends
away from the curtain plate aperture. If
it is too high, droplets appear. In both
cases, sensitivity decreases.
c. The Curtain Gas
TM
flow (CUR) is too high.
The spray bends away from the curtain
plate aperture.
d. The rail is not fully seated on the bracket.
No spray (continued)
Operator Guide
NanoSpray
®
Ion Source
RUO-IDV-05-0811-F
70 / 92
Troubleshooting