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TAURUS™ VS Variable Speed Pump Installation and User’s Guide
TROUBLESHOOTING
Problem Possible Cause Corrective Action
Pump failure.
Pump will not prime - Air leak, too much air.
Pump will not prime - Not enough water.
Pump stainer gasket is clogged.
Pump strainer gasket is defective.
Check suction piping and valve glands on any suction
gate valves. Secure lid on pump strainer pot and be
sure lid gasket is in place. Check water level to be
sure pump is not drawing air.
Be sure the suction lines, pump and pump volute are
full of water. Be sure valve on suction line is working
and open (some systems do not have valves). Check
water level to make sure water is available to the
pump.
Clean pump strainer pot.
Replace gasket.
Reduced capacity and/or
head.
Air pockets or leaks in suction line.
Clogged impeller.
Pump strainer clogged.
Check suction piping and valve glands on any suction
gate valves. Secure lid on pump strainer pot and be
sure lid gasket is in place. Check water level to be
sure pump is not drawing air.
Turn off electrical power to the pump.
Disassemble (see page 14, ‘Pump Disassembly’)
Clean debris from impeller. If debris cannot be
removed, complete the following steps:
1. Remove left hand thread anti-spin bolt and o-ring.
2. Remove, clean, and reinstall impeller.
Reassemble (see page 15, ‘Pump Reassembly’)
Clean suction trap.
Pump fails to start.
Mains voltage is not present
Pump shaft is locked
Pump shaft is damaged
1. Replace fuse, reset breaker/GFCI.
2. Tighten mains wire connections.
Check if the pump can be rotated by hand and
remove any blockage.
Replace pump.
Pump runs then stops.
Over temperature FAULT
Over current FAULT
Check that back of pump is free from dirt and debris.
Use compressed air to clean.
Pump will automatically restart after one (1) minute.
Pump is noisy.
Debris in contact with fan
Debris in strainer basket
Loose mounting
Check that back of pump is free from dirt and debris.
Use compressed air to clean.
Clean strainer basket.
Check that mounting bolts of pump and pump are
tight.
Diagnosing certain symptoms may require close interaction with, or in close proximity to, components that are energized with
electricity. Contact with electricity can cause death, personal injury, or property damage. When trouble shooting the pump,
diagnostics involving electricity should be cared for by a licensed professional.
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