User manual

Troubleshooting the VITEK
®
2 Instrument Error Handling System
VITEK
®
2 Instrument User Manual 8-3
510731-10EN1
Error Handling System
The VITEK
®
2 instrument continually monitors itself to ensure that it is
operating within specifications. To do this it uses numerous optical,
mechanical, and temperature sensors, located within each subsystem. If a
sensor detects a problem, the VITEK
®
2 instrument is programmed to alert
you to the situation, and to provide you with the information you need to
resolve the problem. We refer to this process as the Error Handling System.
Figure 8-1 illustrates these elements.
The first element of the Error Handling System is the VITEK
®
2 instrument.
First it must detect the error. In many cases, the instrument will attempt to
correct the problem by retrying an operation. If that fails, the instrument
selects the appropriate error message, activates the error alarms, and places
the message in the error/message queue.
The second element of the Error Handling System is you, the VITEK
®
2 user.
First, you must:
• Respond to the alarm by accessing the error/message queue on the
instrument interface.
• Read and record all messages in the queue.
Figure 8-1: VITEK
®
2 Error Handling System
Instrument Sensors:
• Detect an error
Instrument Programming:
• Interprets sensor signal
• Attempts to self-correct
• Selects error message
• Activates alarms
• Send message to queue
Visual/Audible Alarms:
• Notify User
Error/Message Queue
Error/Message Queue:
• Access the queue
• Record message and
code
The VITEK
®
2 Instrument
Troubleshooting Chapter:
• Look up error code
• Follow recovery procedure
The VITEK
®
2 User