20
Wilo SE 03/2017
en
10.2 Fault signals
• The fault signal is indicated by the LED display.
• Fault signal LED lights up red.
• The pump switches off (depending on the error code)
and attempts a cyclical restart.
Manual restart
• The pump attempts an automatic restart upon
detecting a blockage.
If the pump does not restart automatically (E10):
• Activate the manual restart via the function key,
briefly press 2x, LED lights green.
A restart is performed after 5 seconds, duration
10 minutes.
LED display shows the outer segments in a clockwise
fashion.
• To cancel, press the function key for a couple of
seconds.
LED
Faults
Causes
Remedies
E04
Undervoltage
Power supply too low on
mains side
Check mains
voltage
E05
Overvoltage
Power supply too high on
mains side
Check mains
voltage
E10
Blocking
Rotor blocked
Activate manual
restart or contact
customer service
E23
Short-circuit
Motor current too high
Request customer
service
E25
Contacting/
winding
Winding defective
Request customer
service
E30
Excessive temper
-
ature of module
Module interior too warm
Check conditions
of use
E36
Module defective
Electronics defective
Request customer
service
2x
NOTE
After the restart, the LED display shows the
previously set values of the pump.
