Fault Signals; Short-Circuit - Wilo Yonos PICO OEM Einbau- Und Betriebsanleitung

10.2
LED Faults
E04 Undervoltage
E05 Overvoltage
E10 Blocking
E23

Short-circuit

E25 Contacting/
winding
E30 Excessive temper-
ature of module
E36 Module defective
Manual restart
2x
Installation and operating instructions Wilo-Yonos PICO OEM

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.
Causes
Power supply too low on
mains side
Power supply too high on
mains side
Rotor blocked
Motor current too high
Winding defective
Module interior too warm
Electronics defective
• 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.
NOTE
After the restart, the LED display shows the
previously set values of the pump.
Remedies
Check mains
voltage
Check mains
voltage
Activate manual
restart or contact
customer service
Request customer
service
Request customer
service
Check conditions
of use
Request customer
service
39