Wilo Stratos-D Series User Manual

Installation and operating instructions Wilo-Stratos/-D/-Z/-ZD 89
English
10.3 Warning signals
• The fault (warning only) is indicated.
• The fault signal LED and the SSM relay do not respond.
• The pump continues to run. The fault may occur any number of times.
• The indicated faulty operating status must not occur for a prolonged period.
The cause must be eliminated.
EXCEPTION: If the "E04" and "E05" warnings apply in HV operating mode for
longer than 5 minutes, they are transmitted as fault signals (see Chapter 10.1).
• The transmission of the fault via the serial digital interface depends on the type
of IF Module.
For details, see the documentation (Installation and operating instructions of
the IF Module).
Code
no.
Symbol
flashing
Fault Cause Remedy
E03 Water
temperature
>110 °C
Heating control set
incorrectly
Set to lower temperature
E04 Mains
undervoltage
Mains overloaded Check electrical
installation
E05 Mains
overvoltage
Faulty supply by the elec-
tricity supply company
Check electrical
installation
E07 1.Generator
operation
Driven by the admission
pressure pump (the pump
is flowed through from
the suction to the
pressure side)
Synchronise power control
of pumps
2.Turbine
operation
The pump is driven back-
wards (the pump is flowed
through from the pressure
to the suction side)
Check flow, install non-
return valves if necessary
E09
*)
Turbine
operation
The pump is driven back-
wards (the pump is flowed
through from the pressure
to the suction side)
Check flow, install non-
return valves if necessary
E11 Pump idling Air in the pump Vent the pump and unit
E38 Motor Fluid
temperature
sensor
defective
Motor defective Request customer service

Wilo Stratos-D Series Specifications

General

Application	Heating
Connection Type	Flange connection
Fluid Temperature Range	-10 °C to +120 °C
EEI	≤ 0.20
Display	LCD
Power Consumption	Varies depending on model
Housing Material	Cast iron
Motor Type	EC motor
Energy Efficiency Class	A