GasCheck 3000 & 3000is Ion Science Ltd
Page
20 of 23
5.3
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)
Display appears blank/dim
Contrast control setting wrong
Turn off & on; press & hold contrast
Numbers do not change
Peak hold selected
Press zero or change from Peak hold
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
Blocked probe
Probe blocked
Remove probe and clean
Stalled motor
Motor failed & probe not blocked
Return to Ion Science for repair
Instrument readings noisy
Loose probe
Tighten nut slightly
Instrument readings noisy
Test environment contaminated
Move item under test into cleaner area
3000is unit will not turn on
Internal fuse blown
Return to supplier for repair
Table 5 – Fault finding
6
STORAGE AND DISPOSAL
6.1
Storage
If you will store the unit for a long time, we recommend that you remove the batteries: refer to Section 5.2
Refit the GasCheck in its storage case and store in dry, cool conditions. Unpack as described in Section 3.
6.2
Disposal
Dispose of the GasCheck, components and used batteries safely in accordance with all local and national
environmental safety requirements. Some of the GasCheck carry case plastic material is recyclable.