Using the Controller Front Panel 17
Diagnostic failure on powerup
If any of the tests fail, a failure message appears as follows:
• If the controller or pump fails the diagnostic test, the Powerup screen indicates the
failed test.
• If a detector or an autoinjector fails the diagnostic test, the failed device reports the
problem on its own front panel.
If any failure occurs, turn the controller Off, then On again. If the diagnostics fail a second
time, contact Waters Technical Service. To reach Waters Technical Service, contact your
local Waters sales/service representative.
2.2.2 Running Extended Diagnostics
In addition to the powerup self-diagnostics, your 600E system contains extended
diagnostic routines.
To start the extended diagnostics, press the decimal point (.) key from the Powerup screen.
For further information on running extended diagnostics, see your Waters 600E
Multisolvent Delivery System Installation and Maintenance Guide, Section 5.3,
Performing 600 Controller Extended Test Routines.
2.3 Using the Controller Front Panel
Overview
The controller front panel (Figure 2-3) consists of:
•On/Off switch
• Display screen
• Controller keys
The controller keys comprise:
• Keypad - Cursor movement keys, display contrast keys, Home key, Enter key, Clear
key, and number keys.
• Function Keys - The row of labeled keys located just below the screen keys that
access modes of system operation.
• Screen Keys - The row of unlabeled keys located directly below the screen. The
screen keys vary with different screens used during operation. The Help screen key
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