Labcyte Echo 520 User Manual page 164

The following table lists the normal maintenance alerts that a user would
see, as well as the respective corrective procedures. To see a list of other
factors that can trigger a Warning or Fault light, see Chapter 7,
Information and
Maintenance Alert/Cause

• The fluid level is low in the
• The coupling fluid temperature is
• The waste bottle is full (older Echo

• The user-supplied compressed air
• The coupling fluid temperature is
• The user-supplied vacuum
6-4 Echo Liquid Handler User Manual
Troubleshooting".
Table 6.2. Echo Maintenance Alerts
Warning light is yellow.
coupling fluid bottle.
outside of the normal range:
21.2°C–23.0°C.
systems only).
Fault light is red.
supply is low (< 70 PSI) or
nonexistent.
outside of the warning range:
20.2°C – 24.0°C.
pressure is low (< 15 in. Hg Vac)
or nonexistent.
Procedure
Add more fluid.
See "Refill the coupling fluid bottle"
on page 6-8.
Check the chiller setting, it should be
at 22°C. See "Coupling fluid
temperature and indicator" on
page 5-36.
Empty the waste water bottle.
See "Empty and clean the waste water
bottle" on page 6-13.
Increase air pressure. See "Compressed
air pressure indicator" on page 5-35.
Check the chiller setting, it should be
at 22°C. See "Coupling fluid
temperature and indicator" on
page 5-36.
Increase vacuum pressure.
See "Vacuum supply pressure
indicator" on page 5-35.
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