5
Symptom
Probable Cause
Corrective Action
FLUID WILL NOT
1. Foreign matter blocking
Dismantle meter, clean rotors. Strainer must
FLOW THROUGH
rotors
be fitted in-line.
THE METER
2. Line strainer blocked
Clean strainer.
3. Damaged rotors
Replace rotors. Strainer must be fitted in-line.
4. Meter connections over-
Re-adjust connections.
tightened
5. Fluid is too viscous
See specifications for maximum viscosity.
REDUCED FLOW
1. Strainer is partially
Clean strainer.
THROUGH THE
blocked
METER
2. Fluid is too viscous
See specifications for maximum viscosity.
METER READING
1. Fluid flowrate is too high
See specifications for minimum and maximum
INACCURATE
or too low
flowrates.
2. Fluid is too viscous
Bleed air from system.
3. Excess wear caused by
Check meter body and rotors. Replace as
incorrect installation
required. Refer to installation instructions.
FLUID FLOWS
1. Bevel gear is loose on
Tighten grub screws.
BUT NO READING
on shaft
ON METER
2. Rotor drive gear is
Replace rotor.
damaged
3. Transmission gears
Replace gears.
damaged
4. Register gears damaged
Replace register assembly.
FLUID LEAKS
1. Seal worn or damaged
Replace seal. Check seal compatibility with
INTO REGISTER
on the coverplate
fluid.
TROUBLESHOOTING
Содержание FPDM 1000 SERIES
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