Metrohm 746 VA Trace Analyzer - Manual (Page 507)

7 Safety, Errors, Troubleshooting, Diagnosis, GLP
746 VA Trace Analyzer / 747 VA Stand
7-8
Error message Meaning/Causes Rectification Exit
CALCUL - ERROR 1:
Variables list overflow Number of different variables
> 25
Reduce number of variables on the
”CALCULATION” page
Esc
CALCUL - ERROR 2:
Illegal identifier − Variable name too long
(> 8 characters)
− Inadmissible assignment
(e.g. 5 = 7)
− Inadmissible constant
(e.g. A = 5.4+)
− Shorten variable name to max.
8 characters
− Check formulae on the
”CALCULATION” page and change
− Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 3:
Illegal write to system
variable Unlawful overwriting of a
system variable
(e.g. S0 , S1 , S2 , S3 )
Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 4:
Expects token (=) Missing equals sign Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 5:
Illegal use before set Variable used without previous
assignment
Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 6:
Bracket nesting level
too deep Too many nested brackets Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 7:
Illegal nesting of
brackets Number of opening and closing
brackets not identical
Check brackets in formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 8:
System variable not
found System variable used in the
formula has not been defined
(e.g. S1 without entry)
Enter system variable on the
”SAMPLES” pages or modify formulae
Esc
CALCUL - ERROR 9:
Illegal multiple assign
(R) Unlawful multiple assignment to
same variable
(e.g. R1 = aaa ; R1 = bbb )
Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 10:
Unexpected end of
formula End of formula not defined
(e.g. R2 = )
Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 11:
Value out of range Constant in the formula lies
outside the admissible numeric
range (–3.7.10 33 ... –1.7.10 –33 / 0
/ 1.7.10 –33 ... 3.7.10 33 )
Check formulae on the
”CALCULATION” page and change
Esc
CALCUL - ERROR 12:
Undefined error Undefined error Check formulae on the
”CALCULATION” page and change
Esc
CALIBR - ERROR 1:
Calibration procedure
inadequate Unsuitable procedure in non-
linear standard addition, no
evaluation possible
− Select linear standard addition
− Increase amount/concentration of
standard addition solution
− Increase number of standard addi-
tions
E/C
CALIBR - ERROR 2:
Illegal dilution Inadmissible dilution (dilution
factor >1 or <10 -6 ) or faulty
program flow in conjunction
with calibration (no evaluation
possible)
− SMPL instruction missing
− Check dilution of sample (dispensing
instructions)
− Check ”SUBSTANCES/Calibration”
page
E/C
CALIBR - ERROR 3:
Invalid result Invalid result, mass concentra-
tion >10 kg/L (no evaluation
possible)
Check program or calibration E/C
CALIBR - ERROR 4:
Difference of calibr.
solutions too low Current or concentration
change in standard additions or
in plotting of calibration curves
<1%
Check standard addition or calibration
solutions
E/C
CALIBR - ERROR 5:
Missing calibration
coefficients No coefficients for calibration
curve available
Rerecord calibration curve or enter
coefficients on the
”SUBSTANCES/Calibration” page
E/C