Dresser Model 10C25 Series K Installation, Operation, and Maintenance Manual
© 2018 Natural Gas Solutions North America, LLC
Page 64 of 74
16
Troubleshooting
Problem
Item
Possible Cause
Suggested Action
No flow registered
Obstruction in piping or meter
Check piping and valves to ensure
there is an open flow path.
Obstruction in screen or strainer
Clean screen or strainer.
Digital index flow value not updating
No gas flow. Open valve or remove
obstruction; refer to Item 1.
Low volume registration
Meter oversized for load
Use proper meter size.
Leak at meter bypass
Check bypass and valves.
Meter internal friction
Refer to
the “
High differential
”
problem possible causes and actions.
High differential
Build-up of deposits
Clean meter; refer to Section 12.3.
Worn bearings or sleeves
Replace or return to the Dresser
Product Service Department.
Impellers rubbing headplates;
meter out of time
•
Rotate impellers manually to check
for binding or rubbing.
•
Remove obstructions;
refer to Item 1.
•
Time meter.
•
Check the meter level.
Vibration or noise
Misalignment of piping or strain
•
Remove piping strain.
•
Level meter.
Impellers rubbing casing
Contaminants in measuring chamber Clean meter; refer to Section 12.3.