Ecom ECP2050, User Manual

Page: 59 / 64

ECP2050
59 / 64
Problem Caused by / Conditions Solution
E28
–
PRESSURE UNDER
LOW LIMIT!
Operating error. Locate and
eliminate reason for pressure
suppression
– leakage from
the system (leaking
purge/degas valve and other,
above mentioned).
W4, E29
–
PUMP LEAKAGE!
REMOVE ALL LEAKS. DRY
UP SENSOR AND WAIT
FOR 60s TO UPDATE.
Reported according to setting
in
6.2.7.
Operating error.
Eliminate source of leaking
and dry up surroundings of
sensor (see
6.2.7 )
W5, E30
–
BOX LEAKAGE!
REMOVE ALL LEAKS. DRY
UP SENSOR AND WAIT
FOR 60s TO UPDATE.
Reported according to setting
in
6.2.7 .
Operating error.
Eliminate source of leaking
and dry up surroundings of
sensor (see
6.2.7 ).
W 17, 18, 19, 20; E 37, 38, 39,
40
–
SOLVENT A (B,C,D)
UNDER LIMIT!
In gradient mode.
Reported according to setting
in
6.2.5.2.
Operating error.
Add mobile phase into
reservoir and set new volume
in menu item
Menu/Parameters/Solvents
volume
.
W 22;E 42 -
SOLVENT
UNDER LIMIT!
In isocratic mode.
Reported according to setting
in
6.2.5.2.
Operating error.
Add mobile phase into
reservoir and set new volume
in menu item
Menu/Parameters/Solvents
volume
.
E6
–
GRADIENT VALVE
MALFUNCTION! CHECK
CONNECTION TO BOX.
Simple error.
Check and tighten holding
screws on connector ECB
2000 or on the box.
E7
–
BOX NOT
RECOGNIZED! CHECK
CONNECTION TO BOX.
E8
– GRADIENT PROGRAM
WAS STARTED BUT PUMP
IS NOT IN GRADIENT MODE.
Simple error.
Check and tighten holding
screws on connector ECB
2000 or on the box.