Aquametro Oil & Marine CONTOIL VZF II, Mounting And Operating Instructions

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7 Troubleshooting
Fault symptoms Possible causes Procedures
1)
No reading / blank display No power supply Check wiring, polarity
Electronic counter defective Replace electronic counter
Mention SN during order
Counter runs backwards Meter mounted in wrong
direction Install meter with arrow
pointing in flow direction
Counter not running
No flow rate
Indicated quantity or flow
rate too small
Flow rate outside allowed
range (below Qmin or above
Qmax of meter) Check flow rate
If too high, reduce flow or
install larger meter
If too low, increase flow or
install smaller meter
Reduce LFC to 1
Moving parts heavily worn
out due to continuous
overload Install larger meter
Dirt trap / filter heavily soiled Clean dirt trap, replace filter
Safety filter in meter intake
clogged Replace safety filter
Install dirt trap / filter with
correct mesh size
Moving parts jammed Clean measuring chamber,
replace defective parts
Alignment of inner parts Align cover and measuring
chamber (rip to rip)
Separating plate broken by
-
Pressure hammer
- Gas inclusions
Check and rectify operating
conditions and meter
position
Fill pipes slowly
De-aerate pipes thoroughly
Replace defective parts
Indicated quantity or flow
rate too high Meter positioned wrongly
(e.g. at highest point)
Gas or air inclusion in fluid
Check and rectify operating
conditions and meter
position
De-aerate pipes carefully
Pressure drop at meter too
high Dirt trap or filter heavily
soiled Clean dirt trap, replace filter
Flow meter’s safety filter
heavily soiled
Clean safety filter of flow
meter
No frequency signal
No current signal
No pulse output signal
No flow Check flow using Indication
Wrong parameterisation Set correct using indication
Transducer defective Replace transducer