6. Faults
WIKA Operating Instruction, CPP4000-X
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EN
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6.
Faults
Faults
Causes
Measures
Equipment does not provide
any output pressure.
No liquid in the test pump.
Check that the test pump is
filled with liquid. Fill the
equipment with fluid as
necessary. See chapter 5.4.2
“Filling the equipment with
liquid”.
Valve B is open.
Close valve B and try again.
Component being tested has a
large volume.
Pre-fill component with liquid
before test.
Missing or damaged liquid
seals shown by signs of
unexplained liquid leaks.
Examine seals on equipment to
ensure they are fitted correctly
and are undamaged. Replace
as necessary.
Valve B handwheel
disconnected from spindle.
Examine valve B. Tighten up
nut securing handwheel to
spindle as necessary.
Valve B assembly or valve seat
damaged.
Examine condition of valve B
and valve seat. Replace valve
assembly or return test pump to
DH-Budenberg/WIKA for
overhaul as necessary.
If unable to locate a cause.
Return test pump to DH-
Budenberg/WIKA for
investigation.
Equipment provides pressure
but pressure decays to zero
Incorrect operating procedure
being used.
Ensure that correct operating
procedure is being followed
(see chapter 5.5 “Procedure”).
Missing or damaged liquid
seals shown by signs of
unexplained liquid leaks.
Examine seals on equipment to
ensure they are fitted correctly
and are undamaged. Replace
as necessary.
Valve A or Valve B valve
assembly or valve seat
damaged.
Examine condition of valves A
and B and valve seat. Replace
valve assembly or return test
pump to DH-Budenberg/WIKA
for overhaul as necessary.
If unable to locate a cause.
Return test pump to DH-
Budenberg/WIKA for
investigation.
Equipment provides pressure
Incorrect operating procedure
Ensure that correct operating
