Warning Messages; All Other Faults - ProMinent delta DLTa optoDrive Operating Instructions Manual

Troubleshooting
Fault description
Either the yellow LED display lights up, the "Air
lock" symbol appears flashing in the LCD dis‐
play - or, together with the red LED display, the
symbols for "Error" and "Stop" also appear, and
the pump stops.
Either the yellow LED display lights up, the "p+"
symbol appears flashing in the LCD display -
p+
or, together with the red LED display, the sym‐
bols for "Error" and "Stop" also appear, and the
pump stops.
Either the yellow LED display lights up, the "p-"
symbol appears flashing in the LCD display -
p -
or, together with the red LED display, the sym‐
bols for "Error" and "Stop" also appear, and the
pump stops.
14.4

Warning messages

Fault description
The yellow LED display lights up, the "Level"
symbol appears in the LCD display and
flashes.
14.5

All other faults

82
Cause
Gas bubbles in the
liquid end (leaks,
gaseous medium,
cavitation).
A constriction or a
closed shut-off valve
on the discharge
side.
There is a leak or a
burst or torn line on
the discharge side.
Cause
The fluid level in the storage tank
has reached "liquid level low 1st
stage".
Please contact the responsible ProMinent branch or representative!
Remedy
If the red LED display lights up,
[P] - think through the con‐
press
sequences for the process!
Bleed the liquid end and rectify
the cause. Seal the system or
slow the suction stroke.
If the red LED display lights up,
press [P] - think through the con‐
sequences for the process!
Open the shut-off valve or rectify
the constriction.
If the red LED display lights up,
press [P] - think through the con‐
sequences for the process!
Rectify the leak or clear the
cause.
Remedy
Fill the storage
tank.
Personnel
Technical
personnel
Technical
personnel
Technical
personnel
Personnel
Instructed per‐
sonnel