Vacuum LED: displays for instrument faults E-5
Vacuum LED: displays for instrument faults
Any combination of LED indications not described in Table titled “Vacuum
LED: displays for normal instrument operation:” on page E-2 can indicate an
instrument normal state or fault; contact Waters for advice.
See also: Table titled “Vacuum LED display:” on page 1-10 and Contacting
Waters on page 11-14.
Vacuum LED: displays for instrument faults:
State Status LED Sub State
Timeout in
(anlayzer
pumpdown)
Flashing yellow
and off.
Waiting for vent command.
Timeout in (source
pumpdown)
Flashing red and
green.
Isolation and source backing
valves closing.
Waiting for isolate or vent
command.
Source Pump Trip Flashing yellow,
green, red, and off.
Isolation and source backing
valves closing.
Waiting for isolate or vent
command.
Analyzer Pump
Trip
Flashing yellow,
red, green, and off.
Isolation and source backing
valves closing.
Analyzer pump run-down.
Waiting for vent command.
Intermediate State
for Aborted
Pumpdown
Flashing green
and yellow.
Waiting for delay.
Time-out in
(pumped state)
Flashing green
three seconds, red
one second.
No pump run-down.
Analyzer pump run-down.
Source pump run-down.
Waiting for vent command.
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