Ion-science GasCheck IS Manual do Utilizador descarregar pdf (Página 36)

GASCHECK 5000IS MANUAL Ion Science Ltd

Page 36 of 40

Unrivalled Detection. www.ionscience.com

Maintenance

Fault finding

Fault symptom

Diagnosis

Action

Unit will not switch on

No/dead batteries fitted

Try another battery set (safely)

Unit will not switch off

Software locked out

Remove & replace battery clip

(safely)

Battery symbol appears

Battery state low

Replace batteries (safely)

Back light drains battery

life

Excessive use of backlight

Avoid or reduce use of backlight

Unit will not zero

Software locked out by

hardware

Remove & replace batteries (safely)

LCD appears blank/dim

Contrast control setting wrong

Turn off & on; press & hold contrast

Bar graph/number do not

change

Peak hold selected

Press zero or change Peak Hold

state

Range does not change

Range not set in Auto-range

Press & hold Range until Auto-range

He range will not show –5

Unit with nozzle ON and/or

range

Reset via Nozzle and Range keys

Gas group is wrong

Gas Group not set correctly

Press & hold Gases until shown OK

Nozzle/Peak not showing

Nozzle/Peak is not set

correctly

Press & hold Nozzle until both

correct

Calibration due message

Unit has exceeded 1 year on

cal

Return to Ion Science for

recalibration

Unit will not zero correctly

Sensor contaminated

Leave to stabilise

Blocked probe

Probe blocked by solid or

liquid

Remove probe; clean; check now OK

Stalled motor

Motor failed & probe not

blocked

Return to supplier for repair

Instrument readings noisy

Loose probe

Tighten nut slightly

Instrument readings noisy

Test environment

contaminated

Move test into clean area

5000is will not switch on

Internal fuse blown

Return to supplier for repair

Table 5 – Fault finding

1 2 ... 31 32 33 34 35 36 37 38 39 40

GasCheck 5000is 1
Part number: 861265 2

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