Sand Filter does
not operate
Sand is flowing
to the pool
No water flow
Excessive filter
pressure
Control Valve
leaks from the
port D
Connectors
leaks
Problems
Probable Causes
Solutions
- GFCI broken
- Sand is too small
- Move the control valve from the
backwash to the filter function
without stop the sand filter
- The level of the sand is too high
- The skimmer was 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 was broken
- Control Valve was set between
two functions
- The gasket was broken
- Washer of the connectors not in
place
- Washer of the connectors
broken
- O-ring on the hose connection
was broken
- Loose Hoses
- For assistance, please visit the support section on
our website, www.bestwaycorp.com.
- 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 effluent runs clear
- Replace the pressure gauge
- Set to one function
- Replace the gasket
- Reposition the washer
- Replace the washer
- Replace the o-ring
- Tighten them
14
TROUBLESHOOTING
