| Problem |
Cause |
Remedy |
| Pool
water not sufficiently clean |
1.
Pool chemistry not adequate to inhibit algae growth. |
Maintain
pool chemistry or consult pool service technician. |
|
2.
Too frequent a backwash cycle. |
Allow
pressure to build to 10 psi above clean filter condition before backwashing. |
|
3.
Improper amount or wrong sand size. |
Check
sand bed Freeboard and sand size or consult pool service technician. |
|
4.
Inadequate turnover rate. |
Run
system for longer time or consult dealer or pool service technician. |
|
|
|
| High
filter pressure |
1.
Insufficient backwashing. |
Backwash
until effluent runs clear. |
|
2.
Sand bed plugged with mineral deposits. |
Chemically
clean filter. |
|
3.
Partially closed valve. |
Open
valve or remove obstruction in return line. |
|
|
|
| Short
Cycles |
1.
Improper backwash. |
Backwash
until effluent runs clear. |
|
2.
Pool chemistry not adequate to inhibit algae growth. |
Maintain
pool chemistry or consult pool service technician. |
|
3.
Plugged sand bed. |
Manually
remove top 1" surface of sand bed, replace with new sand and
chemically clean entire sand bed. |
|
4
.Flow rate too high. |
Restrict flow to capacity of filter. |
|
|
|
| Return
flow to pool diminished. Low filter pressure. |
1.
Obstruction in pump hair and lint strainer. |
Clean
basket in strainer. |
|
2.
Obstruction in pump |
Disassemble
and clean pump. |
|
3.
Obstruction in suction line to pump |
Clean
skimmer basket. Remove obstruction in lines. Open valves in suction
lines. |
|
|
|
| Sand
returning to pool |
1.
Broken underdrain lateral. |
Replace
broken or damaged laterals. |
|
|
|
| Sand
loss to waste |
1.
Backwash rate too high. |
Reduce
backwash flow rate. |
|
2.
Improper sand size. |
Change
to proper sand size. |
|
3.
Air strainer is damaged or missing. |
Replace
damaged components |
|
|
|
| Leak
at Closure |
1. Improperly tightened closure |
Shut
off pump, relieve tank pressure, open air bleeder, tighten closure
properly. |
|
2.
Dirt or contamination on sealing surface. |
Shut
off pump, relieve tank pressure, open air bleeder, remove closure
and clean all sealing surfaces. Reassemble closure properly. |
|
3.
Damaged part. |
Same
as the above except replaced damaged O-ring, closure, tank or any
combination of parts as required. |
|
|
|
|
|
| 1.
Improperly tightened bulkhead assembly. |
|
Shut
off pump, relieve tank pressure, open air bleeder, remove closure
and remove sand to access leaking bulkhead on TR 40, 50, 60, 100,100C,
140, or 140C. Hold the 2" internal locknut. On the TR 100C-3"/TR
140C-3" using special wrench 15-4020, hold the 3" flange
spacer and with wrench 15-4019, tighten the 3" flange adapter.
Hand tighten plus 1/2 turn. |
|
2.
Dirt or contamination on sealing surfaces. |
Shut
off pump, relieve tank pressure, open air bleeder, remove closure
and remove sand to access leaking bulkhead assembly. Clean all mating
surfaces and seals. Replace the bulkhead assembly, being careful to
assemble properly. Tighten assembly as indicated above. |
|
3.
Damaged part. |
Same
as above except replace damaged part or combination of parts. |
