WIKA CPB3800 - Handbuch (Seite 41)

41 WIKA operating instructions model CPB3800
14062232.03 12/2013 GB/D
GB
8. Faults
8. Faults
Faults Causes Measures
Equipment does not
provide any output
pressure.
No liquid in pressure balance. Check that pressure balance is
filled with liquid. Fill the equipment
with fluid as necessary. See chap-
ter 6.5.1 "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 assem-
bly or return pressure balance to
DH-Budenberg/WIKA for overhaul
as necessary.
If unable to locate a cause. Return pressure balance 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 6.6).
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 pressure bal-
ance to DH-Budenberg/WIKA for
overhaul as necessary.
If unable to locate a cause. Return pressure balance to DH-
Budenberg/WIKA for investigation.