Lutz BE10 - Page 74

Operating mode Fault Cause Remedy
Battery
operation
No indication • Battery empty • Change battery
• Battery contacts
corroded
• Clean contacts
After insertion of
the battery the
Lutz company logo
appears longer than 1
minute
• Basicowmeteris
missing
• Checkbasicowmeter
• Check connecting wires and
plug connections
No indication after
changing batteries
• Batteriestted
incorrectly
• Open battery compartment
and check polarity
• Battery contacts
corroded
• Clean contacts
• Wrong battery type
used
• Battery type → Operating
instructions operating unit
chapter 10.2
Operation with
relay module
Buttons RESET, START,
Change volume, Cali-
bration, Total volume,
Flow monitoring,
MeasurementOn/O,
Coupling modules,
Factory settings are
not available
• Basicowmeteris
missing
• Checkbasicowmeter
• Check connecting wires and
plug connections
Buttons START,
Change volume,
Economy, Backlight,
Safety prompt are not
available
• Operating unit is
powered by battery
and relay module is
missing
• Check mains connection
• Check fuses in the relay
module
• Check connecting wires and
plug connections
• In case of operation with relay
module, batteries are not
necessary.
74
0698-651 Operating unit - 04/2021
en