Lutz NG10, Руководство пользователя

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0698-701 Relay module - 04/2021
en
2.2 Other faults
Operating mode Fault Cause Remedy
General No liquid registered • Air in the piping
system/dry running
• Prevent air pockets in
connecting lines, use a solid
hose system
• Pump is not operating • Check pump
• Line strainer blocked • Clean strainer
• Time required to
fill the connecting
lines exceeds the set
monitoring time
• Increase monitoring time
• Hose line kinked • Check hose line
• Solenoid valve
damaged
• Check solenoid valve
• The connection
between the modules
is interrupted
• Check bus line
• Foreign matter in the
basic flow meter
• Clean basic flow meter
• Basic flow meter
damaged
• Check basic flow meter
• Fuse in relay module
defective
• Check fuses
• Magnet or sensor
in basic flow meter
damaged
• Check basic flow meter
Measured quantity
differs significantly
from the actual
quantity
• Correction factor does
not match operating
conditions
• Calibrate flow meter
• Fluid is too viscous • Calibrate flow meter
• Leaks in hose system • Install check valve if necessary
• Bleed air from system
• Radio interference on
the data line
• Route the data line separate
from other lines