ARI Armaturen CONA TD PN63 EN - Manual (Page 11)

Rev. 0040806000 2404 Page 11
Operating and installation instructions
CONA
®
TD - Thermodynamic steam traps
9.0 Troubleshooting table
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
Little flow Strainer clogged (Pos. 2) Clean / change strainer;
refer to item 7.1
Piping system clogged Check piping system
Changed upstream pressure or back
pressure operating conditions Correct selection acc. to flow diagram
No closure, or internal
leakage Controller (Pos. 24) clogged Clean strainer and controller;
refer to item 7.1
Controller worn out Replace controller or valve;
refer to item 7.1
Controller (Pos. 24) incorrectly screwed
into body Check seal face between body and
controller, tighten controller correctly,
refer to item 7.3
External leakage Sealing cap (Pos. 6) or system
connection with hex. nuts (Pos. 27) not
properly tightened Tighten; refer to item 7.3
Seals (Pos. 11 and 17) defective Replace seals; refer to item 7.1