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0 troubleshooting table – ARI Armaturen Condensate PN40 EN User Manual

Page 12

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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