Hach BL9000 Manuel De L'utilisateur page 16

Troubleshooting
Use the diagnostics menu in the connected instrument or in FSDATA Desktop, if applicable, to take a
level measurement and get diagnostic data. For troubleshooting help, refer to
Problem
Low Bubbler Pressure
(the bubbler system does
not push sufficient air
through the system)
Clogged Bubbler
16 English
Table 1 Troubleshooting
Possible cause
The hydrophobic filter is
clogged.
The desiccant is clogged.
The air inlet tubing is clogged.
There is a blockage in the
bubbler line.
The bubbler line is below the
maximum range.
Solution
Replace the hydrophobic filter. Refer to
hydrophobic filter on page 15.
Replace the desiccant. Refer to
desiccant on page 14.
Examine the air inlet tubing for kinks, blockages, etc.
Manually purge the bubbler line. If the problem
continues, examine the full length of the bubbler line
for a blockage. If the blockage is not easily removed,
install the full length of new bubbler line. Do not
replace only a section of the bubbler line.
Make sure that the bubbler line is not below 3.5 m
(11.5 ft.)
Table 1.
Replace the
Replace the