14
Problems
Probable Causes
Solutions
Sand is flowing to
the pool
No water flow
Excessive filter
pressure
Control Valve leaks
from the port D
Connectors leak
- Sand is too small
- Move the control valve from the
backwash to the filter function
without stopping the sand filter
- The level of the sand is too high
- The skimmer is broken
- Stopper plugs were not removed
- Air was not released
- The control valve is set to Closed
- The strainer is blocked
- Sand filter broken
- Dirty filter
- Calcified sand bed
- Insufficient backwashing
- The pressure gauge is broken
- Control Valve is set between two
functions
- The gasket is broken
- Washer of the connectors not in
place
- Washer of the connectors broken
- Loose Hoses
- Recommend 0.45 mm to 0.85 mm #20 silica
sand
- Stop the sand filter every time set the
control valve
- Check if the level of the sand is between the
marked “MAX” and “ MIN” on the hub
- Replace the skimmer
- Remove the stopper plugs and insert the
debris screens
- Release the air
- Set to filter function
- Clean the strainer
- Call for service
- Backwash
- Inspect sand and change if necessary
- Backwash until water runs clear
- Replace the pressure gauge
- Set to one function
- Replace the gasket
- Reposition the washer
- Replace the washer
- Tighten them
TROUBLESHOOTING
