ProMinent Flow Control 3 Operating Instructions Manual page 23

Fault Cause
There is gas in the dosing
head – leakage between
the dosing tank and the
Flow Control
Blockage between the
Flow Control and dosing
tank
The stroke adjustment
dial is incorrectly adjusted
The feed chemical vis‐
cosity is too high
The float is sticking
Troubleshooting
Remedy
Repair the leak
n
Disconnect the metering monitor
n
cable from the metering pump
Bleed the liquid end
n
Insert the metering monitor cable
n
into the socket on the metering
pump.
Clear the blockage
n
Disconnect the metering monitor
n
cable from the metering pump
Bleed the liquid end
n
Insert the metering monitor cable
n
into the socket on the metering
pump.
Refer to "Start Up" - "Adjustment"
Clean the Flow Control, see "Repair"
23