Installation and operating instructions Siriux/Siriux-D/Siriux-O
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 temper-
ature sensor
defective
Motor defective
Request customer service
E50
Bus commu-
nication
fault
Interface, core defective,
IF Modules not connected
properly, cable defective
The control system is
switched to local control
mode via the interface
after 5 minutes
