Tecfluid COVOL Series - Manual (Page 23)

23
10 TROUBLESHOOTING
Problem Possible cause Solution
The associated
electronics does not
totalize
Blockage or friction of the piston
by particles
Install a filter according to
specification (maximum mesh
size between 0.1 y 0.2 mm²).
Damaged reed group Change the reed group
Disconnected cables between the
COVOL and the associated
electronics
Check the cable connection
The associated
electronics totalize less
than the actual volume
Operating liquid with properties
very different from water at 20ºC
(calibration liquid)
Correct the i/l factor
Blockage or friction of the piston
by particles
Install a filter according to
specification (maximum mesh
size between 0.1 y 0.2 mm²).
The associated
electronics totalizes
more than the actual
volume
Operating liquid with properties
very different from water at 20ºC
(calibration liquid)
Presence of air pockets Control the minimum tank level.
Provide an air degasser
upstream of the counter if air
intakes can be expected.
Excessive emptying of storage
tanks
The flow rate indicated by
the associated equipment
is unstable
The pipe is not completely full
Make sure that the pipe is
completely full, for example,
installing the counter in a vertical
pipe with upwards flow
Correct the i/l factor