Wilo Stratos-D Series, Инструкция по установке и эксплуатации

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88 WILO SE 10/2013
Table 10.1: Fault signals
Code
no. Symbol
flashing Fault Cause Remedy
E04 Line
terminal Mains
undervoltage Power supply too low on
mains side Check mains voltage
E05 Line
terminal Mains
overvoltage Power supply too high on
mains side Check mains voltage
E10 Motor Pump
blockage e.g. due to deposits Unblocking routine starts
automatically.If the block-
age is not removed after a
maximum of 40 seconds,
the pump goes off.
Request customer service
E20 Motor Excess
winding
temperature Motor overloaded Allow motor to cool down,
check setting
Water temperature too
high Reduce water temperature
E21 Motor Motor
overload Deposits in the pump Request customer service
E23 Motor Short circuit/
earth leak-
age Motor/module defective Request customer service
E25 Motor Faulty
contact Module not connected
properly Re-connect module
E30 Module Excess
module
temperature Limited air supply to
module heat sink Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
E31 Module Excess
power sec-
tion temper-
ature Ambient temperature too
high Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
E36 Module Module
defective Electronic components
defective Request customer service/
replace module