4-8
LEAK TEST MODEUSER HANDBOOK
4.5.7 Pump
To switch the pump ON and OFF:
• Press the RH button .
4.5.8 Zero
To zero the Flammable PPM range when displayed:
• Press and hold the RH button .
Note: The pump must be switched ON to zero the ammable ppm
range.
4.5.9 Flow Fault
If ow fault is detected, the pump stops automatically. The instrument
should be checked for water ingress or blockage and the pump reset.
To clear the ow fault:
(Once the blockage has been cleared):
• Press the RH button .
4.5.10 Menu / Off
To re-select the Mode Menu:
• Press and hold both the LH button and the RH button
simultaneously
.
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.
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