7 safety, errors, troubleshooting, diagnosis, glp – Metrohm 746 VA Trace Analyzer User Manual
Page 513
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7 Safety, Errors, Troubleshooting, Diagnosis, GLP
746 VA Trace Analyzer / 747 VA Stand
7-14
Error message
Meaning/Causes
Rectification
Exit
DIALOGUE - ERROR 6:
Abort resets VA
Trace Analyzer
(abort) key initiates an auto-
matic reset at the 746 VA Trace
Analyzer
−
press to initiate the automatic
reset
−
press
reset
r/a
DOSIMAT - ERROR 1:
Cylinder empty
Dosimat/Dosino cylinder is
empty, no dispensing is
possible in manual operation
Fill Dosimat/Dosino cylinder by pressing
the softkey
E/S
DOSIMAT - ERROR 2:
Illegal Dosimat number
Wrong Dosimat number
Set Dosimat number to 1...4
E/S
DOSIMAT - ERROR 3:
V.meas max too low for
dosing
Dispensing is not possible as
the inputted maximum meas-
uring vessel volume
V.meas
max
would be exceeded
Check dispensing instructions on the
”OP.SEQUENCE” and ”SEGMENTS”
pages or, if possible, increase
V.meas
max
E/S
DOSIMAT - ERROR 4:
Dosimat overload
Dosimat/Dosino can not
dispense (drive jammed)
Press
key on
the ”DOSIMATS” page
E/C
DOSIMAT - ERROR 5:
Unlawful stopcock
position
Wrong stopcock position of
Dosimat/Dosino
Press
key on
the ”DOSIMATS” page
E/S
DOSIMAT - ERROR 6:
Dispensing volume too
large
Volume to be dispensed too
large for mounted Exchange or
Dosing Unit
Use larger Exchange or Dosing Unit or
reduce volume to be dispensed
E/S
DOSIMAT - ERROR 7:
Safety volume reached
Dispensing not possible as
safety volume of Dosimat/
Dosino would be exceeded
Increase safety volume or use larger
Exchange or Dosing Unit
E/S
DOSIMAT - ERROR 8:
Missing device
Dosimat/Dosino not attached
or connecting cable faulty
Attach Dosimat/Dosino, check con-
necting cable
E/S
DOSIMAT - ERROR 9:
No Exchange Unit
No exchange Unit mounted on
the Dosimat
Mount Exchange Unit
E/S
DOSIMAT - ERROR 10:
Illegal dosing units
Inadmissible dispensing units
are mounted on the Dosinos
Mount different Dispensing Units
E/S
DOSIMAT - ERROR 11:
Illegal Dilution
settings
Inadmissible dilution settings
on the "DOSIMATS" page (e.g.
V.tube out
too low for
pipetting volume, cylinder
volume too low, pipetting
volume < 10
µ
L)
Change parameters for
Dil.settings
on the "DOSIMATS" page
E/S
EVAL - ERROR 1:
Evaluation occupied
The evaluation routine can not
be used at present
Wait and retry
E/C
EVAL - ERROR 2:
Evaluation not possible
No evaluation is possible with
the selected measurement
mode ”CYCMODE”
Change measurement mode
E/C
EVAL - ERROR 3:
Double peak: missing
rear peak
−
No peak at rear in the double
peak evaluation
−
The peak at the rear has not
been evaluated
−
−
If there is no 2
nd
peak at rear, set
Scope
to
whole
,
f.half
or
r.half
−
Check peak recognition for peak at
rear
E/C
EVAL - ERROR 4:
Double peak: wrong
baseline type
In the double peak evaluation,
both peaks must be evaluated
with the same baseline type
Set baseline type
Type
the same for
both peaks
E/C
EVAL - ERROR 5:
Double peak: missing
front peak
−
No peak at front in the
double peak evaluation
−
The peak at the front has not
been evaluated
−
If there is no 2
nd
peak at front, set
Scope
to
whole
,
f.half
or
r.half
−
Check peak recognition for peak at
front
E/C
EVAL - ERROR 6:
Half peak: illegal
baseline scope
With selected baseline type,
selection of
f.half
or
r.half
is not admissible
If half-peak evaluation desired, set
baseline type to
linear
, otherwise set
Scope
to
whole
or
f.double
or
r.double
E/C