Change From Hold To Countdown; Shaker Alarms - Thermo Scientific MAXQ SHKE435HP Operating And Maintenance Manual

Section 2
Operation
Change from Hold to
Countdown (continued)

Shaker Alarms

2-6 Orbital Shaker
4. When the desired elapsed time is set (8 hours, 30 minutes in this
example), press the time button to return to the Operating Screen.
Pressing the START button will start the platform and begin the
countdown sequence. When 00:00 is reached, the platform will
automatically stop and the Cycle Complete alarm will sound.
Figure 2-4. Time Set
The MaxQ SHKE435HP/SHKE436HP control system monitors and
provides alarms for nine operating parameters.
Table 2-2. Alarm Parameters
Parameter
Overtemp Setpoint Status
Cycle Status
Loss of Input Power
RPM versus Setpoint
Drive Belt Integrity
Temp Sensor Integrity
Temp Control Status
Platform Movement Status
Motor Drive Board Input Power Integrity
Both audible and visual alarm warnings for these nine parameters are
provided by the shaker. Visual flashing of the three diagonal indicator
lights on the control panel, a progression of alarm messages on the display,
and an audible tone alerts the operator that an alarm condition has
occurred, or currently exists.
Alarm Message
Overtemp Shutdown
Cycle Complete
Power Failure
RPM is High, RPM is Low
Check Belt
Main Temp Sensor, Over Temp Sensor
Temperature is High, Temperature is Low
Platform Stalled
Check Fuse
Remote Alarm
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
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