Thermo Scientific EASY-nLC 1200 Troubleshooting And Maintenance Manual page 280

A
Error Codes
Table 30. Error codes (Sheet 2 of 8)
No. Issue code name
10 ERROR_PREP_
GRADIENT_
PRESSURE_BUILD_
FAILED
11 ERROR_PUMP_
STOPPED_EMPTY
12 ERROR_PUMP_
STOPPED_
UNEXPECTEDLY
26 ERROR_QUEUE_
ELEMENT_BEING_
EDITED
27 ERROR_PBUS_IN_
SERVICE_MODE
28 ERROR_PBUS_
INTERFACE_INIT
29 ERROR_PBUS_
SEND_BYTES
30 ERROR_PBUS_
READ_BYTES
31 ERROR_SENSIRION_
FACTOR_PARSING
32 ERROR_SENSIRION_
FACTOR_NOT_
FOUND
258 EASY-nLC 1200 Troubleshooting & Maintenance Guide
Description
Pump B unable to
reach 90% A pressure
within 30 µL.
Please check for air/leaks!
Stopped (out of solvent).
Stopped unexpectedly
(unknown cause).
Current queue element is
being edited; stopping.
P-BUS interface in service
mode
Initialization of P-BUS
interface failed
Error writing to interface
COMM_PORT
Error reading from
interface COMM_PORT
Failed parsing flow sensor
factor from
INFO_COMMAND
Flow sensor factor not
found in info output.
Factor unknown.
Cause
Pump unable to reach
set pressure during
prep gradient
Out of solvent
Pump hardware issue
Trying to execute a job
currently being edited
Trying to initialize the
RS485 interface while
serial port is in the
service mode
[See issue description.]
[See issue description.]
[See issue description.]
Could not parse some
string to a double.
Error getting flow
sensor scaling factor
Solution
Check that solvent bottle is
not empty and check for air
and leaks in the system.
Refill the solvent reservoir
bottle. Check for air and
leaks in the system.
Check the pump
functionality.
Close or reschedule the
batch.
Check that the RS485
switch on PC is in the
ON position.
Troubleshoot P-BUS
communication -
Check that the cables are
properly connected.
Troubleshoot P-BUS
communication -
Check that the cables are
properly connected.
Troubleshoot P-BUS
communication -
Check that the cables are
properly connected.
Turn off the EASY-nLC
instrument, and turn it
back on.
Turn off the EASY-nLC
instrument, and turn it
back on.
Thermo Scientific