Waters Alliance e2695 - Page 253

Troubleshoot
July 29, 2013, 715003794 Rev. B 253
Screen is blank Unit not powered-on Power-on unit.
Startup diagnostic test
failure
Power-off and power-on
again. If the failure is not
corrected, call Waters
Technical Service.
Startup diagnostics
indicate failing
result
Internal problem with
controller board, solvent
management system,
sample management
system
Power-off and power-on
again. If failure not
corrected, call Waters
Technical Service.
Startup failure
with error message
“Plunger homing
over pressure (0 or
1)”
Clogged inline filter Clean or replace filter
element.
Blockage in sample
management waste line
Remove blockage or
replace line.
Restriction between
solvent and sample
management system
Remove restriction.
Front panel
software “lock up”
Software problem, power
line problem
Power-off and power-on
again. If the failure is not
corrected, call Waters
Technical Service.
Fans not running Unit not powered-on Power-on unit.
Fan wiring or fan motor
problem
Call Waters Technical
Service.
Power supply not working Call Waters Technical
Service.
The separations
module is not fully
functional in
remote
configuration
(controlled via
RS-232 by a remote
data system)
Data system is not
programmed to control all
separations module
functions
Disconnect the
separations module from
the remote data system,
then run the unit in a
standalone mode to test
functionality.
General system troubleshooting: (Continued)
Symptom Possible cause Corrective action