Corrective Action - Pentair CHALLENGER VS2 Guide D'installation

20
Troubleshooting (Cont.)
Pump fails to start.
Pump runs then stops.
Pump is noisy.
Problem
Pump runs without flow. Impeller is loose
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
Possible Cause
Air leak
Clogged or restricted plumbing
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.
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.

Corrective Action

Check that pump is spinning by looking at
fan on back of VS2 Variable Speed Pump. If so,
check that pump impeller is correctly installed.
Check plumbing connections and verify they are tight.
Check for blockage in strainer or suction side piping.
Checked for blockage in discharge piping including
partially closed valve or dirty pool filter.