Wilo Stratos Betriebsanleitung Seite 94

English
Code Symbol
no. flashing
E04 Line
terminal
E05 Line
terminal
E10 Motor
E20 Motor
E21 Motor
E23 Motor
E25 Motor
E30 Module
E31 Module
E36 Module
Table 10.1: Fault signals
88
Fault Cause
Mains Power supply too low on
undervoltage mains side
Mains Power supply too high on
overvoltage mains side
Pump e.g. due to deposits
blockage
Excess Motor overloaded
winding
temperature
Water temperature too
high
Motor Deposits in the pump
overload
Short circuit/ Motor/module defective
earth leak-
age
Faulty Module not connected
contact properly
Excess Limited air supply to
module module heat sink
temperature
Excess Ambient temperature too
power sec- high
tion temper-
ature
Module Electronic components
defective defective
Remedy
Check mains voltage
Check mains voltage
Unblocking routine starts
automatically.If the block-
age is not removed after a
maximum of 40 seconds,
the pump goes off.
Request customer service
Allow motor to cool down,
check setting
Reduce water temperature
Request customer service
Request customer service
Re-connect module
Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
Request customer service/
replace module
WILO SE 12/2012