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Installation and operating instructions Wilo-Control SC-Booster (SC, SC-FC, SCe) 39
10 Faults, causes and remedies
Have faults remedied by qualified personnel
only! Observe the safety instructions in the
Safety chapter.
10.1 Fault display and acknowledgement
If a fault occurs, the red fault signal LED lights up,
the collective fault signal is activated and
the fault is displayed on the LCD (error code
number).
A faulty pump is indicated on the main screen by a
flashing status symbol for the corresponding
pump.
The fault can be acknowledged in menu 6.1.0.0
by the following operation:
Fig. 11: Fault acknowledgement sequence
10.2 History memory for the faults
A history memory has been set up for the switch
-
gear and operates according to the FIFO principle
(first in, first out). The memory is configured for
16 faults.
The fault memory can be retrieved using menus
6.1.0.1 – 6.1.1.6.
Code Fault description Causes Remedies
E040
E040.2
Output pressure sensor
faulty
Supply pressure sensor faulty
Pressure sensor defective Replace sensor
No electrical connection to the
sensor
Repair the electrical
connection
E043
External setpoint faulty No electrical connection to the
remote station
Repair the electrical
connection
E054
Connection partner lost Fault in the CAN connection
between the switchgear and
pumps
Check cable connection
Check activation of the
terminating resistors
E060* Maximum pressure exceeded The output pressure of the
system has risen above the value
set in menu 5.4.1.0 (e.g. due to a
controller fault)
Check controller function
Check installation
E061*
Pressure below minimum
value
The output pressure of the
system has dropped below the
value set in menu 5.4.2.0
(e.g. due to a pipe burst)
Check whether the default
value corresponds to local
conditions
Check pipe and repair if
necessary
E062 Low water Protection against low water level
triggered
Check inlet/break tank; pumps
restart automatically
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