Troubleshooting - Black & Decker BDXBTVAR150 Instruction Manual

Installation & Operation Manual

7. Troubleshooting

Diagnosing certain symptoms may require close interaction with, or in close proximity to, components
WARNING
that are energized with electricity. Contact with electricity can cause death, personal injury, or property
damage. When troubleshooting the pump, diagnostics involving electricity should be cared for by a
licensed professional.
Problem
Pump failure.
Reduced capacity and/or
head.
Pump fails to start.
Pump runs then stops.
Pump is noisy.
Possible Cause
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.
Air pockets or leaks in suction line.
Clogged impeller.
Pump strainer clogged.
Mains Voltage is not present.
Pump shaft is locked.
Pump shaft is damaged.
Over temperature FAULT.
Over current FAULT.
Debris in contact with fan.
Debris in strainer basket.
Loose mounting.
ENGLISH
Corrective Action
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 skimmer is not drawing air.
Be sure the suction lines, pump, strainer, 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 through skimmer.
Clean pump strainer pot.
Replace gasket.
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 skimmer is not drawing air.
Turn off electrical power to the pump.
Disassemble (see page 15, '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 16, 'Pump Reassembly').
Clean suction trap.
1. Replace fuse, reset breaker/GFCI.
2. Tighten main wire connections.
Check if the pump can be rotated by hand and remove any
blockage.
Replace pump.
Check that back of pump is free from dirt and debris.
Use compressed air to clean.
Pump will automatically restart after one (1) minute.
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.
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