Installation and operating instructions Siriux/Siriux-D/Siriux-O
87
English
• Undo the M5 internal hexagon screws (SW4) in the control module (item 3)
• Pull the control module off the motor (item 4).
• Install the module in the reverse order. Do not forget to install the flat gasket
(item 5) between the motor housing and control module.
10 Faults, causes and remedies
Refer to the "Fault signal / warning signal" flow diagram and
Tables 10, 10.1,
10.2
for troubleshooting.
Table 10: Faults with external interference sources
10.1 Fault signals - Heating/ventilation HV operating mode
• A fault occurs.
• The pump goes off, the fault signal LED (continuous red light) is activated.
Double pump: The standby pump is switched on.
• The pump automatically goes on again after a delay of five minutes.
• 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).
• Only if the fault occurs for the 6th time within 24 hours does the pump go off
permanently, SSM opens. Then, the fault needs to be reset by hand.
EXCEPTION: The pump goes off immediately whenever a fault occurs for the
first time with the code number "E10" and "E25".
Faults
Causes
Remedy
Pump is not running
although the power
supply is switched on.
Electrical fuse defective.
Check fuses.
Pump has no voltage.
Reconnect the voltage.
Pump is making
noises.
Cavitation due to insuffi-
cient suction pressure.
Increase the system suction pres-
sure within the permissible range.
Check the delivery head and set it
to a lower height if necessary.
