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Idiomas disponibles
Idiomas disponibles
LED
Meaning
flashes
The pump is
red/
ready for
green
operation
but not
running
flashes
Pump is not
red
functioning
flashes
Pump is not
orange
functioning
LED off
No
power
supply
If the operating fault cannot be remedied, please consult a spe-
cialist technician or the Wilo factory after-sales service.
Installation and operating instructions Wilo-Yonos PICO STG
Operating
status
Pump will start
running inde-
pendently again
once the fault is
no longer pres-
ent
Pump is not
running
(blocked)
Pump is not
running
Electronics have
no voltage
Cause
1. Undervoltage
U<160 V
or
Undervoltage
U>253 V
2. Excess module
temperature:
motor temper-
ature too high
Pump is not start-
ing independently
again
Pump is not start-
ing
1. Pump is not
connected
to the power
supply
2. LED defective
3. Electronics
defective
English
Remedy
1. Check power
supply
195V < U < 253V
2. Check
medium and
ambient
temperature
Renew pump
Renew pump
1. Check cable
connection
2. Check if the
pump is
running
3. Renew pump
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