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symptom
Sample discharge is decreasing
Sampler will not operate
Controller does not operate
If any issues persist, please contact Sentry Equipment .
ISOLOK SAL-Q Sampler
possible problem(s)
ƒ Buildup in sample spool cavity or
sampler nose
ƒ Issues with power source and/or air
connections
ƒ Issues with pneumatic and/or
electric power source
remedy
ƒ Check sample spool cavity for
buildup; if present, add flush or air
eject provision to sampler body
ƒ Check sampler nose for buildup;
if present on nose or pipe wall
interior, remove the body from the
line frequently and clean it using
plant procedures
ƒ Check power source and air
connections; connect as required
ƒ Check air lines for proper
connection, as plunger must dwell
retracted; air lines connected
backwards will cause sampler to
dwell (pause) extended into the
process line
ƒ Check for air bind; depending
on the density of the product
sampled, this sometimes can be
resolved by opening a top port on
the sampler
ƒ Check sampler operating air
pressure and process line
pressures; operating air pressure
must be sufficient to move
the plunger against process
pressure . Issue may be resolved
by increasing or decreasing air to
sampler or relocating sampler .
ƒ Verify correct 115V or other
specified power to controller
ƒ If using a remote contact unit,
check the output signal to the
controller from the flow meter;
check purchase records, and
if an incorrect output signal
was specified, contact Sentry
Equipment
ƒ Secure a qualified technician to
run a complete operating check
of timing circuits, remote contact
inputs and/or counter inputs that
sequence the electric or pneumatic
power valve
11
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