Beckman Coulter LH 780 Instructions Manual page 183

Table 6.5 System Messages - D (Continued)
Analytical Station
Analyzer Diluter
Analyzer Alert Message Status Message Screen Message
DIFF PS Card -15 V (current status) DIFF PS CARD
Error -15V ERROR
Diff RAM Test Failed N/A N/A
Diff Timer Test Failed N/A N/A
DIFF Xmit Failure (current status) N/A
Dil SOL/OP PS +15V (current status) DIL SOL/OP PS
Error +15V ERROR
PN 773023AC
Workstation
Beep Log Message and
s Icon on Command Center Sample Results
Yes Instrument Log Data not transmitted, or data
transmitted and "System
-15 Volts from Diff Power
Alarm" message printed in
Supply outside limit.
footer of sample report
Power down/up Analytical
(depends upon when error
Station.
occurred).
No Instrument Log Data not transmitted.
DIFF RAM test failed.
Rerun test.
No Instrument Log N/A
DIFF timer error. Rerun
test.
No Instrument Log N/A
AMC Reported Error - Diff
Transmit Failure.
Yes Instrument Log Data not transmitted, or data
transmitted and "System
+15 Volts on Diluter 2
Alarm" message printed in
Card outside limit. Power
footer of sample report
down/up Analytical
(depends upon when error
Station.
occurred).
Analytical Station Status/Recovery
Analytical Station Status Probable Cause
Stopped - inoperable. U4 on the Diff Power Supply
card failed (outside ±5% limit).
If this error occurs it will
not halt the action in
process, but it will prevent
initiation of a new sample,
unless the error condition
is corrected.
Idle - ready for request. Diff RAM error.
Idle - ready for request. Diff timer error.
Stopped - inoperable. Analytical
Station-to-Workstation
transmission failure. This can
happen if the Workstation is
turned off or if the
communication cables between
the Workstation and the
Analytical Station loosen while
data is being transmitted.
Stopped - inoperable. U2 on the
Diluter/Solenoid/Optics Power
If this error occurs it will
Supply card failed (outside
not halt the action in
±5% limit).
process, but it will prevent
initiation of a new sample,
unless the error condition
is corrected.
TROUBLESHOOTING
ANALYTICAL STATION MESSAGES
Corrective Action
1. Power down the Analytical Station:
a. On the Numeric Keypad, press POWER OFF.
b. At the Power Supply, turn off the MAIN POWER
switch.
2. Power up the Analytical Station:
a. Turn on the MAIN POWER switch.
b. Press POWER ON.
3. If the message persists, call your Beckman Coulter
Representative.
1. Reset the Analytical Station.
2. If message persists, call your Beckman Coulter
Representative.
1. Reset the Analytical Station.
2. If message persists, call your Beckman Coulter
Representative.
1. Ensure the communication cables between the
Workstation and the Analytical Station are properly
connected.
2. Turn on or reset the Workstation.
3. Continue normal operation. If message recurs:
a. Change the test mode to a non-Diff test and
process non-Diff samples.
b. Call your Beckman Coulter Representative.
1. Power down the Analytical Station:
a. On the Numeric Keypad, press POWER OFF.
b. At the Power Supply, turn off the MAIN POWER
switch.
2. Power up the Analytical Station:
a. Turn on the MAIN POWER switch.
b. Press POWER ON.
3. If the message persists, call your Beckman Coulter
Representative.
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