Problems
- Sand is too small
- Move the control valve from the backwash to the
Sand is flowing
filter function without stopping the sand filter
to the pool
- The level of the sand is too high
- The skimmer is broken
- Stopper plugs are not removed
- Air was not released
No water flow
- The control valve is set to Closed
- The strainer is blocked
- Sand filter broken
- Dirty filter
- Calcified sand bed
Excessive filter pressure
- Insufficient backwashing
- The pressure gauge is broken
Control Valve leaks
- Control Valve is set between two functions
from the port D
- The gasket is broken
- Washer of the connectors not in place
- Washer of the connectors broken
Connectors leak
- O-ring on the hose connection is broken
- Loose Hoses
TROUBLESHOOTING
Probable Causes
- Recommend 0.45mm to 0.85mm #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 collector 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
- Replace the O-ring
- Tighten them
7
Solutions
S-S-004292