Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 90

Detector troubleshooting (Continued)
Symptom
Detector not
responding to
ACQUITY UPLC
Console
Leak detected
Shutter failure message Shutter failed
Solvent in drain line
Status light blinks and
lamp light is off
78
Possible cause
Bad or disconnected
cable
Configuration problem
Leak in detector
Leak from flow cell
gasket
Leak from flow cell
inlet and outlet fittings
The detector is running
confidence tests
Corrective action
Inspect cable
connections, tighten
connectors, or replace
cable.
Check Ethernet or
MassLynx
configuration. For
details, see Empower or
MassLynx online Help.
Follow the procedure to
resolve a detector leak
sensor error on page
1. Clear bubbles from
the flow cell (see
page 56).
2. Power-off and then
power-on the PDA
detector.
Replace the flow cell
(see page 52).
Check fittings for
overtightening or
undertightening, and
replace fittings if
necessary.
No corrective action
required. Wait until
tests finish.
39.