Fault description
Cause
Remedy
Personnel
The
STRK "Stoke length adjustment"
symbol appears flashing on the LCD
screen plus the error message
‘Stroke
length adjusted’
39, and the pump stops.
The stroke adjustment dial
was rotated by more than
10% while the menu was
locked.
Turn back the stroke
adjustment dial or enter the
password.
Technical
personnel
The "Temperature" symbol
C
F
appears
flashing on the LCD screen plus the error
message
‘Temperature’
47, and the pump
stops.
The pump is overloaded.
Rectify the cause, then
Press
[P/OK]
(think through
the consequences for the
process!).
Technical
personnel
The temperature is too high.
Rectify the cause, then
Press
[P/OK]
(think through
the consequences for the
process!).
Technical
personnel
The PWR "Power" symbol appears on
the LCD screen plus the
‘Mains voltage’
51 error message, and the pump stops.
No or incorrect mains voltage. Connect the correct mains
voltage.
Technical
personnel
The BLC "Blockage" symbol appears
flashing on the LCD screen plus the error
message
‘Pump blocked’
57, and the
pump stops.
A constriction or a closed
shut-off valve on the dis‐
charge side.
Open the shut-off valve or
clear the constriction, then
Press
[P/OK]
(think through
the consequences for the
process!).
Technical
personnel
The p+ "Excess pressure" symbol appears
flashing on the LCD screen plus the error
message
‘Overload’
59 or 60, and the
pump stops.
A constriction or a closed
shut-off valve on the dis‐
charge side.
Open the shut-off valve or
clear the constriction, then
Press
[P/OK]
(think through
the consequences for the
process!).
Technical
personnel
14.3 Warning messages
Yellow LED “Warning indicator” display lights up:
Fault description
Cause
Remedy
Personnel
The "Level" symbol appears flashing on
the LCD screen, plus the error message
‘Level warning’
1.
The fluid level in the
storage tank has
reached "Liquid level
low 1st stage".
Top up the storage tank.
Instructed per‐
sonnel
The cal "Calibration" symbol appears on
the LCD screen, plus the error message
‘Calibration warning’
2.
The stroke adjustment
dial of the calibrated
pump was rotated by
more than 10% when
the menu was blocked.
Turn back the stroke adjust‐
ment dial or recalibrate the
pump.
Instructed per‐
sonnel
The "Flow" symbol appears flashing on
the LCD screen, plus the error message
‘Defective strokes metering’
3.
The metering monitor is
not correctly connected.
Connect the metering mon‐
itor correctly and
Press
[P/OK]
.
Electrician
The metering monitor
reported too few strokes
– more than are set in
the
‘FLOW’
menu.
Press
[P/OK]
.
Investigate and clear the
cause.
Technical per‐
sonnel
The dia "diaphragm" symbol appears on
the LCD screen, plus the error message
‘Diaphragm rupture’
4.
The diaphragm is
broken.
Replace the diaphragm and
check the diaphragm rupture
sensor - refer to the "Repair"
chapter.
Technical per‐
sonnel
The "Stroke length adjustment" symbol
appears flashing on the LCD screen, plus
the error message
‘Stroke length wrongly
adjusted’
5.
The stroke adjustment
dial was rotated by
more than 10% while
the menu was locked.
Turn the stroke adjustment
dial back or enter the code.
Technical per‐
sonnel
Troubleshooting
77
Summary of Contents for Sigma 1 S1Cb
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