Fault Signals - Wilo PARA SCA Serie Einbau- Und Betriebsanleitung

Faults
Noisy pump
Building does
not warm up
11.1
LED Faults
Blocking
Lights
Contacting/
up red
winding
Under/overvoltage
Flashes Excessive
red module
temperature
Short-circuit
46
Causes
Cavitation due to
insufficient suction
pressure
Thermal output of
the heating surfaces
is too low

Fault signals

• The fault signal LED indicates a fault.
• The pump switches off (depending on the fault) and
attempts a cyclical restart.
Causes
Rotor blocked
Winding defective
Power supply too
low/high on mains
side
Module interior too
warm
Motor current too
high
Remedy
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
Increase setpoint
Remedy
Activate manual
restart or contact
customer service
Check mains
voltage and
operating
conditions, and
request customer
service
Wilo SE 08/2020