TROUBLESHOOTING GUIDE
1. Short Cycle between backwashes:
NOTICE: Time between backwashes will vary with each installation and be- tween different areas of the country. The following causes and remedies are for cycle times shorter than normal for your area.
A. Chlorine residual too low; maintain proper residual (consult pool pro- fessional for recommendation).
B. Flow rate too high; restrict flow to rated capacity of filter (see instruc- tion plate on filter or specifications on Page 6).
C. Filter too small; install larger filter or additional filter.
D. Improper/insufficient precoat; see precoat instructions (Page 7).
E.Filter elements plugged; thoroughly clean filter (see No. 4, "Plugged Grid Cloth", below, and "Manual Filter Cleaning Procedure", Page 10).
F.Insufficient cleaning during backwash or annual cleaning; review cleaning instructions, Pages
G.Too much DE; check for bridging between filter elements.
H.Water is chemically out of balance; consult pool professional.
2.Low Flow/High Pressure:
A.Elements plugged; clean filter thoroughly (see Pages
B.Pipe blocked downstream from filter; remove obstruction.
C.Piping too small; use larger pipe (consult dealer for sizing).
D.Filter area too small; install larger filter or auxiliary filter (consult dealer for recommendation)
3.Low Flow/Low Pressure:
A.Pump too small; consult dealer for recommendations.
B.Plugged pump or plugged hair and lint trap; clean thoroughly.
4.Plugged Grid Cloth:
A.Insufficient precoat; see precoat instructions (Page 7).
B.Insufficient cleaning; follow cleaning instructions closely and clean thoroughly (see Pages
C.Water is chemically out of balance; consult pool service man.
D.Excessive air in filter;
5.Pool Water Not Clean:
A.Chlorine dosage too low; maintain adequate chlorine residual (consult pool service man for recommendation).
B.Broken filter elements passing DE into pool; replace defective grids.
C.Insufficient or improper precoat; follow precoating instructions and use recommended amount of DE (see Page 7).
D.Inadequate turnover rate; consult dealer to verify that equipment is properly sized for your pool.
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