ProMinent DulcoFlow DFMa, Operating Instructions Manual, Page: 62 / 80

11.2
Pump error in connection with DulcoFlow
®
Press [P] to return the pump to its operating status after one of the following errors.
In the event of an error an LED lights up red and the flow identifier flashes.
Fault description Cause Remedy
The pump stops
during priming.
Due to air in the liquid end,
the DulcoFlow ® has not
output an acknowledge
pulse.
During priming pull out the cable to the Dulco‐
Flow ® out - the function "Flow" is disabled while
the cable is out.
The pump stops
during Dulco‐
Flow ® set-up.
The DulcoFlow ® has
emitted too few sequential
acknowledge pulses.
Press the [P] key.
The pump stops
while running.
There is air in the liquid
end, gaseous feed chem‐
ical.
n
Pull out the cable to the DulcoFlow
®
from
the pump.
n
Bleed the liquid end.
n
Plug the cable to the DulcoFlow
®
into the
socket on the pump.
n
Increase the number of acknowledge
pulses in the pump's menu.
There is air in the liquid
end, the chemical feed con‐
tainer is empty.
n
Fill the metering tank.
n
Pull out the cable to the DulcoFlow ® from
the pump.
n
Bleed the liquid end.
n
Plug the cable to the DulcoFlow ® into the
socket on the pump.
Gas is present in the dosing
head - leaks in the path
between the chemical feed
container and the Dulco‐
Flow ® .
n
Repair the leak.
n
Pull out the cable to the DulcoFlow ® from
the pump.
n
Bleed the liquid end.
n
Plug the cable to the DulcoFlow ® into the
socket on the pump.
Blockage between the Dul‐
coFlow ® and metering tank
n
Clear the blockage.
n
Pull out the cable to the DulcoFlow
®
from
the pump.
n
Bleed the liquid end.
n
Plug the cable to the DulcoFlow
®
into the
socket on the pump.
Troubleshooting
62