Troubleshooting Polycold Cryochiller
Troubleshooting Tables Installation and Operation Manual
Brooks Automation
10-2
214072 Revision B
Troubleshooting Tables
Troubleshooting issues are listed in two groups:
• HMI and Observed Errors
• Remote Monitor Troubleshooting using bit mask values
Troubleshooting tables use a 3-column format.
Problem column shows the messages in BOLD UPPER CASE and the status of the Fault LED.
• If the system recognizes a fault, the HMI screen may display a fault message and a recom-
mended action and the Fault LED may be lit.
• If the system does not recognize a fault, the display may not provide any fault information and
the Fault LED may not be lit and the user must determine the problem.
Possible Cause column lists the probable causes of the problem.
Corrective Action column lists recommended actions to correct the problem.
Fault Reporting
If a Fault occurs, the HMI display automatically goes to the Fault State screen and displays the fault and
two lines of the available 3 lines of fault data using the format below:
• Line 1 - Fault State (menu selection header)
• Line 2 - Name of Fault
• Line 3 - Fault description line 1
• Line 4 - Fault description line 2, if applicable
• (scroll) - Fault description line 3, if applicable
To view current Fault information, go to the Fault State display, if required. The Fault State display
shows the current fault and descriptions as stated above.
To view additional faults, if applicable, use the down arrow to display the next fault.
To view all information for the displayed fault, press the Enter key to select the current fault and then
use the arrow keys to scroll through all three lines of information for the current fault. Note that the arrow
keys stay on the selected fault. Press the Enter key again to exit the current fault display.
To exit a selected fault, press the Enter key. The display goes back to the Fault State display and then
the arrow keys may be used to scroll through each of the active faults, if applicable.
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