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VORTEX Ultra Flow & Ultra Flow lite
SAMPLING PUMPS Handbook
Fault Finding
5.
FAULT FINDING
Typical problems are shown in the following table.
Symptom
Possible Cause
Pump does not switch Battery fully discharged or
ON or run (Green LED unserviceable.
not lit).
Wiring loom disconnected
at some point / Fault on
joint.
Circuit / Keypad failure.
Pump does not run
Pump or motor seizure.
(Green LED lit).
Broken wire or worn
brushes.
Pump runs but no air
Diaphragm rubber split.
drawn.
Tubes between pump
and outlet split or
disconnected.
Pump runs but cannot Leak on pump assembly.
achieve desired flow
Dirty or damaged valves.
rate.
Inlet filter clogged.
Excessive pressure drop.
Red error LED lit or
Battery voltage too low.
flashing.
Excessive pressure drop
or high pump current.
Flow rate not mainIncomplete charge.
tained through full
Battery below capacity.
working shift.
Service Hint
Recharge for 14 hours.
Locate & resolder.
Return for repair.
Replace pump / motor.
Repair connection.
Replace.
Replace.
Locate & Correct.
Clean / Replace.
Remove & Clean.
Check sample filter.
Recharge battery.
Remove pressure load
/ Repair pump.
Re-charge.
Fully charge & check
voltage which should
be 13 - 15 V. If below
this range, check the
output from the
charger. It is typically
14 V at full charge. If
this is correct, replace
the battery.
High current consumption Locate & correct.
due to mechanical defect
in pump.
Filter disc clogged.
Replace.
Calibration adjustment
Adjust the “CAL”
required.
control
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