Wilo Yonos MAXO Series Installation And Operating Instructions Manual page 26

en
Faults Cause
ƒ
Twin-head pump function
not ensured/faulty.
ƒ
A fault has occurred: Standby
pump not running/faulty.
Fault signal
light (red)
flashing
ƒ
No mains voltage.
ƒ
Control input "Ext. Off"
Collective run
open.
signal contact
ƒ
A fault has occurred.
open
ƒ
Standby pump (only for
twin-head pump operation).
A fault has occurred: Pump not
running/pump faulty.
Twin-head pumps only: One or
both participants of the twin-
Collective fault
head pump is/are faulty.
signal contact
open
26
Remedy Faults
ƒ
Check the
dual pump
manage-
ment con-
Twin-head
necting
pump function
cable.
faulty
ƒ
Check the
mains
voltage of
the standby
pump.
If the malfunction cannot be rectified, consult a specialist tech-
ƒ nician or the nearest Wilo customer service or representative
Check
mains location.
voltage.
ƒ
Check "Ext.
11
Off" status.
Obtain genuine spare parts only from a qualified specialist or cus-
tomer service. To avoid queries and order errors, please supply all
data on the rating plate with every order.
ƒ
Note the
error code
at the
12
pump.
ƒ 12.1
Read the
installation
and operat-
Proper disposal and appropriate recycling of this product prevents
ing instruc-
damage to the environment and putting your personal health at
tions for the risk.
pump.
Cause
ƒ
DIP switch in the master or
standby pump in wrong pos-
ition.
ƒ
Dual pump management
connecting cable not con-
nected.
ƒ
Connecting cable connected
with wrong polarity.
Spare parts
Disposal
Information on the collection of used electrical and
electronic products
Remedy
ƒ
Move DIP
switch to a
different
position.
ƒ
Check the
dual pump
manage-
ment con-
necting
cable.
WILO SE 2020-04