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Section 2
Operation
Check Belt
Temperature Sensor Fault
Temperature is High or
2-10
MaxQ SHKE8000 Series Shakers
Check Belt alerts the operator that the
drive belt may have broken, is slipping
because it needs tightened, or an obstruction is slowing or preventing
platform movement.
In the alarm state, the audible alarm is muted by pressing the Silence
button, but will ring back in about 30 minutes if the alarm condition is
still present. However, the alarm message and indicator lights persist until
the fault is corrected. The remaining relevant alarm components are
cleared when the unit is turned back on after correcting the alarm
condition.
Sensor Fault alerts the operator that either
of the shaker's two temperature sensors has
failed by the appropriate alarm message as
shown at right.
In the alarm state, the audible alarm is muted by pressing the Silence
button, but will ring back in about 15 minutes if the fault condition is still
present. However, the alarm message and indicator lights will persist until
the fault is corrected. Afterward, the remaining relevant alarm components
are cleared by pressing the Silence button.
Temperature is High or Temperature is
Low alerts the operator that the operating
Low
temperature of the shaker has risen above,
or fallen below, the programmed
temperature tracking limit control point, by the appropriate alarm message
as shown.
In the alarm state, the audible alarm is muted by pressing the Silence
button, but will ring back in about 15 minutes if the alarm condition is
still present. However, the alarm messages and indicator lights persist until
the fault is corrected. Afterward, the remaining relevant alarm components
are cleared by pressing the Silence button.
Model SHKE8000-7 & SHKE8000-8CE - An alarm time delay of 3.5
hours is activated when the unit is first turned on or when the temperature
setpoint is changed to allow adequate time for the heating or refrigeration
system to recover to the setpoint. The delay is reduced to 20 minutes when
the temperature is within the temperature setpoint alarm band. See Section
3 for further information on setting the tracking alarm.
Thermo Scientific
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