Lutz BE10 - Page 73

Operating mode Fault Cause Remedy
General Liquid leaks from the
housingofbasicow
meter
• Seal defective • Replace seal
• Hairline cracks in
housing and/or on
screw connection
due to mechanical
inuences
• Check installation conditions
for mechanical stresses and
correct them
• Screw connection not
tightened securely
• Check that screw connections
are secure
• Operating pressure
exceeded, pressure
surges e.g. due to
water hammer
• Check pressure conditions
• Inadequate chemical
resistance
• Contact manufacturer
Separate
installation of
the modules
Occasional
transmission errors
Display OK, but
operator inputs
impossible
• Data line exposed
to strong
electromagnetic
elds(large
machines, power
cables, etc.)
• Data line must be shielded
against electromagnetic
interference
• Data line defective • Check data line for damage
andsecuretofplug
connection
73
0698-651 Operating unit - 04/2021
en