Wilo Yonos PICO-STG Serie Einbau- Und Betriebsanleitung Seite 39

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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