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General fault finding guide
Lowara UK Limited
Millwey Rise Industrial Estate, Axminster, Devon EX13 5HU - UK
Tel: 01297 630230 Fax: 01297 630270
e-mail: [email protected]
http://www.lowara.co.uk http://completewatersystems.com
Lowara is a trademark of Xylem Inc. or one of its subsidiaries. © 2011 Xylem, Inc.
Lowara reserve the right to make modifications without prior notice.
cod. UKLIT0091 P05/12
Fault
Possible Cause
Remedy
Pump fails to start
Power supply failure
Reinstate incoming power supply
Genyo has no lights on
Isolator fuse blown/MCB tripped
Replace fuse/reset MCB
Pump fails to stop
User point left open causing flow
to take place
Leak in system
Close user point
Switch unit off until leak is repaired
Pump switches on and off
quickly
Air in system
Vessel pre-charge (if fitted)
incorrect
Dribble condition at outlet
Purge air from pumps and pipework
Check vessel pre-charge and Charge as
necessary with Nitrogen or dry air
Replace/repair outlet
Pump runs but will not
make pressure
Pump air locked
Commissioning valve left open
Passing too much water
Vent pump
Check commissioning valves are in
correct position.
Check system for leaks
Pump overheating
Pump partially seized
Remove pump and check for sediment
build up or foreign objects
Break tank overflowing
Leaking ball valve
Non-return valve letting by
Replace ball valve seal
Replace/clean non-return valve in Genyo
Pump stops and pressure
drops immediately
Non-return valve letting by
Vessel pre-charge incorrect
Replace non-return valve in Genyo unit
Check as necessary with Nitrogen or dry
air
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