ARI Armaturen CONA Universal ANSI 300 EN - Manual (Page 15)

Rev. 0040808001 0611 Page 15
Operating and installation instructions
CONA
®
Universal / CONA
®
Connector
8.0 Troubleshooting
In the event of malfunction or faulty operating performance check that the installation and
adjustment work has been carried out and completed in accordance with these Operating
Instructions.
If malfunctions cannot be eliminate with the help of the following table
“9.0 Troubleshooting table”, the supplier or manufacturer should be consulted.
9.0 Troubleshooting table
-
ATTENTION !
- It is essential that the safety regulations are observed when identifying faults.
ATTENTION !
- refer to item 10.0 and 11.0 prior to dismantling and repair work!
- refer to item 6.0 before restarting the plant!
Fault Possible cause Corrective measures
No flow Installed in wrong flow direction Fit valve in direction of flow arrow
Flange covers not removed Remove flange covers
At BR628:
Ball float (pos. 24.16) defective Change steam trap
Little flow Piping system clogged Check piping system
At BR682:
Strainer clogged (pos. 2) Clean strainer; refer to item 7.4
Changed upstream pressure or back
pressure operating conditions Correct selection acc. to flow diagram
Wrong installation position Note installation position;
refer to item 5.3!
Correct installation position;
refer to item 7.5
No closure, or internal
leakage Shut-off valve clogged Clean shut-off valve; refer to item 7.1
Shut-off valve worn Replace shut-off valve; refer to item 7.1
Shot-off valve operated above safe oper-
ating pressure Observe operating limits as per data
sheet
Controller worn out Change steam trap; refer to item 7.4
Diaphragm capsule worn out Change steam trap; refer to item 7.4
External leakage Shut-off valve not properly tightened Tighten; refer to item 7.6
Flat gasket (pos. 5, 10) defective Replace sealing;
refer to item 7.2 and 7.3
Flat gasket (pos. 11, 17) defective Replace sealing;
refer to item 7.4