Waters 600e - Running 600 Controller Self-Diagnostic Tests

94 Error Messages, Diagnostics, and Test Procedures
5.2 Running 600 Controller Self-Diagnostic Tests
Self-Diagnostic Test Overview
The 600 controller automatically performs a series of self-diagnostic tests during each
powerup. The self-diagnostics perform a check on the following:
• The 68000 processor, associated clock and reset circuitry, LEDs and drive circuitry,
and ROM that contains code preceding first entry
• ROM, associated address decoding, bus latch, and drive circuits
High Temp Limit Exceeded value
entered on Pump
Setup screen
Before suspecting a column heater,
ensure the set point and high-limit
values are sufficiently separated to
allow minimal temperature fluctuation
around the set point without triggering
a shutdown. If not, modify the values
in the Pump Setup screen.
Pump Flow Limit Incorrect Pump Head
Vol. value entered on
Pump Configuration
screen
Verify that a 100 µL or 225 µL Pump
Head Vol. value is entered on the
Pump Configuration screen. If the
pump head volume value is incorrect
for the 600E pump, a mismatch in flow
rate occurs, resulting in a shutdown.
If the Pump Head Vol. value is correct,
there is probably an internal failure
(such as in pump drive circuits and
pump mechanics). Contact Waters
Technical Service.
Set Point > 0
and No Heater
Column heater not
properly connected
When you enter temperature values on
the Pump Setup screen, the column
heater must be connected or a shut-
down occurs. This feature reminds you
not to start a method specifying
column heating without installing the
heater.
Table 5-2 Shutdown Messages (Continued)
Message Displayed Meaning Correction