Sharp IQ-8000 Servisní příručka stáhnout pdf (Strana 45)

CarboVis 70x IQ TS What to do if...

7 - 1

ba75950e02 11/2012

7 What to do if...

"----" display

(invalid measured value)

Implausible measured

values

Cause Remedy

– User calibration values

entered incorrectly

Sensor check (H2O dest.)

Zero adjustment

Sensor check (standard)

defective

– Correct the entry and enter

once again (section 4.3.2)

Repeat

Sensor check (H2O dest.)

Zero adjustment

Sensor check (standard)

Check conditions, especially

cleanliness (section 4.3.3)

–

Zero adjustment

still errone-

ous after several trials

– Contact WTW

– Unknown – See log book

Cause Remedy

– Erroneous user calibration – Repeat user calibration. Make

sure the samples for compari-

son are representative.

– Substantial change of test

sample (sample matrix)

– Carry out new user calibration

– Measurement windows dirty – Clean the measurement win-

dows

– Sensor setting wrong – Check and, if necessary, cor-

rect the

Measuring mode

Mea

suring location

sensor settings

– Carry out new user calibration

– Optical system maladjusted,

e. g. due to inadmissible

mechanical shock

– Carry out

Sensor check (H2O dest.)

Zero adjustment

Sensor check (standard)

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