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Backflow stops and Cleaning pipes Triplex
Troubleshooting
6 Troubleshooting
6.1 Activities for troubleshooting
Fault
Cause(s)
Remedy/ies
Emergency flap
won‘t activate
Emergency flap is not correctly
inserted in the insertion part
Î
Check the correct
position and installation
of the emergency flap
in combination with the
insertion part
Emergency flap or the insertion
part is not correctly installed
Emergency flap is clogged up
with deposits (dirt)
Î
Inspecting and cleaning the
backflow unit,
Section 5.2
Emergency flap is damaged
Î
Replace the emergency flap
Backflow flap will not
close/open
Backflow flap is clogged up with
deposits (dirt)
Î
Inspecting and cleaning the
backflow unit,
Section 5.2
Backflow flap is damaged
Î
Replace the backlow flap
Backflow stop is
leaky
Housing cover is not installed
correctly
Î
Remove the housing cover
and install it again,
Section 5.2
Cover seal is damaged
Î
Replace the housing cover
immediately
Red locking screw from the
housing cover is loose
Î
Tighten the red locking
screw with 5 – 6 N
·
m
Seal of the red locking screw is
damaged
Î
Replace the seal or the
locking screw