0 troubleshooting table – ARI Armaturen Condensate PN40 EN User Manual
Page 12
Page 12
Rev. 0040807001 2404
Operating and installation instructions
Condensate discharge temperature limiter
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.
Note installation position
Flange covers not removed
Remove flange covers
Little flow
Strainer clogged (Pos. 2)
Clean / replace strainer;
refer to item 7.1
Piping system clogged
Check piping system
Changed upstream pressure or back
pressure operating conditions
Correct selection in accordance with
flow diagram
No closure, or internal
leakage
Controller clogged
Clean strainer and controller ;
refer to item 7.1
Controller worn out
Replace controller; refer to item 7.1
Controller misadjusted/incorrectly set
Change setting; refer to item 5.3
Controller incorrectly screwed into body Check seal face between body and con-
troller, tighten controller correctly; refer
to item 7.4
Controller operated above safe operating
pressure
Observe operating limits as per data
sheet, i.e. possibly select a different con-
troller
External leakage
Screw cap (Pos. 6) not properly tight-
ened
Tighten; refer to item 7.4
Plug (Pos. 43) not properly tightened
Tighten plug; refer to item 7.4