6-9
BARHOLE TESTING MODE
USER HANDBOOK
6.6.3 Flow Fault
If a ow fault is detected, the pump stops automatically.
If a sample was in progress then current sample is halted and ‘Purge’
cycle will be the next part of the sequence.
If ow fault is indicated, the instrument should be checked for water
ingress or blockage.
To clear the ow fault:
(Once the blockage has been cleared)
• Press the RH button .
6.6.4 Bead Fault
If a bead fault is detected, the pump stops automatically.
If a sample was in progress then current sample is halted and ‘Purge’
cycle will be the next part of the sequence.
A persistent bead fault indicates a faulty sensor and therefore the
instrument should be returned for service / repair.
6.6.5 Menu / Off
To re-select the Mode Menu:
• Press and hold both the LH button and the RH
button .
While both buttons are depressed, the instrument display
will step through previous menus, each displayed for
approximately two (2) seconds.
When the menu appears on the screen, release the buttons,
otherwise the instrument will proceed into the switch OFF
process and will switch OFF after a further three (3) seconds.