46
Wilo SE 06/2020
en
10.1 Fault signals
• The fault signal LED indicates a fault.
• The pump switches off (depending on the fault) and
attempts a cyclical restart.
LED
Faults
Causes
Remedy
Lights
up red
Blocking
Rotor blocked
Activate manual
restart or contact
customer service
Contacting/
winding
Winding defective
Flashes
red
Under/overvolt
-
age
Power supply too low/
high on mains side
Check mains volt
-
age and operating
conditions, and
request customer
service
Excessive mod
-
ule temperature
Module interior too
warm
Short-circuit
Motor current too high
Flashes
red/
green
Generator
operation
Water is flowing
through the pump
hydraulics, but there is
no mains voltage at the
pump
Check the mains
voltage, water
quantity/pressure
and the ambient
conditions
Dry run
Air in the pump
Overload
Sluggish motor, pump is
operated outside of its
specifications (e.g. high
module temperature).
The speed is lower than
during normal operation
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Страница 4: ...Fig 5c Fig 5d Fig 5e Fig 5f Fig 6...
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