10 Faults, causes and remedies
DANGER! Risk of fatal injury!
There is a risk of fatal injury from electric shock
when working on electrical equipment.
Have faults remedied by qualified skilled per-
sonnel only! Follow the safety instructions in
Section "2 Safety".
Before all work to remedy faults, disconnect the
unit from the power supply, and make sure it
cannot be switched back on by unauthorised
persons.
10.2 History memory for faults
A history memory has been set up for the switch-
gear and operates according to the FIFO principle
(first-IN, first-OUT).
Code
Fault description
E54.0
No bus communication to
HMI board
E4.0
Undervoltage
E5.0
Overvoltage
E61.0
Hydraulic false start
E11.0
Electric false start
E23.0
Excess current
Exx.x
Undercurrent
E109.0
Freely configurable fault
If the fault cannot be remedied, please contact
your nearest Salmson customer service point or
representative.
Installation and operating instructions Salmson SC-Fire Electric
10.1 Fault indication
If a fault occurs, the relevant fault signal LED lights
up, the collective fault signal and associated indi-
vidual fault contact are activated and the fault is
displayed on the LCD (fault code number).
The fault can be acknowledged by pressing the
acknowledgement button (Fig. 2, item 10) or in
menu 6.1.0.0 by proceeding as follows:
The memory is configured for 16 faults. The fault
memory can be called up using menus 6.1.0.1 –
6.1.1.6.
Causes
Connection to HMI board inter-
rupted
Supply voltage too low on mains
side
Supply voltage too high on mains
side
Pump pressure switch indicates
no pressure after pump start
Motor's minimum electric output
not reached after pump start
Excessive rated pump current
during operation
Insufficient rated pump current
during operation
Depending on the fault configu-
ration
English
Remedy
Check connection
Request customer service
Check mains voltage/mains
supply, check fuses
Check mains voltage/mains
supply
Check pump/impeller, check
pipes for leaks, check pump's
direction of rotation, check
pressure switch setting
Check settings, check pump/
impeller
Pump blocked or stiff, check
supply voltage
Check settings, check pump/
impeller
Depending on the fault config-
uration
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