Fault description
Cause
Remedy
Personnel
The identifier appears fol‐
lowed by the message
‘Mains/
power supply / PFC over-
voltage’
.
The mains voltage is too high or
too low or not connected.
Rectify the cause.
Technical
personnel
15.3 Warning Messages
In the event of a warning:
n
The yellow LED display lights up!
n
A message and a symbol then appear on the LCD screen.
Fault description
Cause
Remedy
Personnel
‘Level’
and the identifier appear.
The fluid level in the storage
tank has reached "Liquid
level low 1st stage".
Fill the storage tank.
Instructed per‐
sonnel
The identifier appears followed by the
message
‘Defective stroke metering’
.
The dosing monitor reported
more defective strokes than
was set in the
‘Inputs/
Outputs’
menu.
Press the
[Clickwheel]
.
Investigate and clear the
cause.
The identifier appears followed by the
message
‘Diaphragm rupture’
.
The diaphragm is broken.
Replace the diaphragm
and clean the diaphragm
rupture indicator, refer to
the "Repair" chapter.
Technical per‐
sonnel
The identifier
p+
appears followed by the
message
‘Overload ’
.
The pump has detected too
high a back pressure.
Rectify the cause.
Technical per‐
sonnel
The identifier
C
F
"Temperature" appears
followed by the message
‘Temperature’
.
The ambient temperature is
too high.
Lower the ambient tem‐
perature.
Technical per‐
sonnel
The temperature is too high. Rectify the cause.
Technical per‐
sonnel
The identifier appears followed by the
message
‘Air in dosing head’
.
Gas bubbles in the liquid
end (leaks, gaseous
medium, cavitation).
Bleed the liquid end and
rectify the cause. Seal
the system or slow the
suction stroke.
Technical per‐
sonnel
The identifier appears followed by the
message
‘Invalid metering volume’
.
The metering volume cannot
be metered.
Adapt the metering
parameters.
Technical per‐
sonnel
15.4 All Other Faults
Please contact the responsible ProMinent branch or representative!
Troubleshooting
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