46
Wilo SE 08/2020
en
11.1 Fault signals
• The fault signal LED indicates a fault.
• The pump switches off (depending on the fault) and
attempts a cyclical restart.
Noisy pump
Cavitation due to
insufficient suction
pressure
Increase the system pressure within
the permissible range
Check the delivery head and set it to
a lower head by decreasing the
speed if necessary
Building does
not warm up
Thermal output of
the heating surfaces
is too low
Increase setpoint
Faults
Causes
Remedy
LED
Faults
Causes
Remedy
Lights
up red
Blocking
Rotor blocked
Activate manual
restart or contact
customer service
Contacting/
winding
Winding defective
Flashes
red
Under/overvoltage
Power supply too
low/high on mains
side
Check mains
voltage and
operating
conditions, and
request customer
service
Excessive
module
temperature
Module interior too
warm
Short-circuit
Motor current too
high
Содержание Wilo-PARA SCA Series
Страница 2: ...Fig 1 11 1 2 3 4 5 Para SCA 6 8 9 10 7...
Страница 3: ...Fig 2 Fig 3 a b Fig 4 Fig 5a Fig 5b 1 2 PE N L...
Страница 4: ...Fig 5c Fig 5d Fig 5e Fig 5f Fig 6...
Страница 6: ......
