3-10 Echo Liquid Handler User Manual
Warning light
Off: Normally the Warning light is turned off, indicating that the Echo
liquid handler is functioning correctly.
Yellow: The Warning light is turned on when any of the following
conditions are true:
The Echo liquid handler stages are not homed or are in the process
of being homed. See “Home calibration” on page 5-45.
The coupling fluid bottle level is low. See “Coupling fluid
indicator” on page 5-35.
Note: When the coupling fluid falls below its recommended
minimum level, air bubbles may be introduced into the coupling
fluid, which reduces the accuracy or precision of source plate
surveys and fluid transfers. Labcyte recommends that you refill the
coupling fluid bottle as soon as possible after the Warning light
has been turned on (see “Refill the coupling fluid bottle” on
page 6-8).
The coupling fluid temperature is outside of the normal range:
22.1°C + 0.9°C (21.2°C – 23.0°C)
The process door is neither fully open nor fully closed.
The upper anti-static bar is neither fully up nor fully down.
The source plate dryer nozzle is neither fully up nor fully down.
Fault light
Off: Normally the Fault light is turned off, indicating that the Echo
liquid handler is functioning correctly.
Red: The Fault light is turned on when any of the following
conditions are true:
The user-supplied compressed air supply is low (<80 PSI) or
nonexistent. See “Compressed air pressure indicator” on
page 5-35.
The user-supplied vacuum pressure is low (< 23 in Hg Vac) or
nonexistent. See “
Vacuum supply pressure indicator” on
page 5-35.
The coupling fluid temperature is outside of the warning range:
22.1°C +
1.9°C (20.2°C – 24.0°C)
A coupling fluid leak has been detected. See “Fluid leak indicator”
on page 5-34.
The EMO (Emergency Motion Off) switch has been activated.
See “
EMO indicator” on page 5-34.
The waste water bottle is full (on older Echo systems only).
See “Waste bottle indicator” on page 5-35.
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