Troubleshooting Guide - STA-RITE CRISTAL-FLO Owner's Manual

Hazardous pressure.
Can cause severe in-
jury or major property
damage from tank
blow up.
Release all pressure
and read instructions
before working on filter.

TROUBLESHOOTING GUIDE

1. Short Cycle between backwashes:
NOTICE: Time between backwashes will vary with each installation and be-
tween different areas of the country. Ask installer about normal backwash in-
terval in your area. The following causes and remedies are for cycle times
shorter than normal for your area.
A. Flow rate too high or filter too small; consult dealer for system sizing rec-
ommendations.
B. Water is chemically out of balance; consult pool serviceman.
C. Excess dirt/dust in pool; vacuum pool directly to waste.
D. Body oil/lotion build-up in filter; consult dealer for chemical filter clean-
ers and follow cleaner manufacturer's instructions.
E. Filter inadequately backwashed. See instructions under
"Startup/Operation", Page 7.
F. Algae in pool. Consult pool professional about proper chemical mainte-
nance.
G. Residual chlorine level too low. Consult pool professional about proper
chemical maintenance.
H. Inspect filter sand for solidification caused by dust, calcium, skin oils, of
suntan lotions.
2. Low Flow:
A. Pipe blocked downstream from filter; remove obstruction.
B. Piping too small; use larger pipe (consult dealer for sizing).
C. Plugged pump; plugged hair and lint trap or skimmer basket. Clean thor-
oughly.
3. Pool Water Not Clear:
A. Water is chemically out of balance; consult pool professional.
B. Filter is too small; consult dealer about equipment sizing.
C. Sand in pool means broken lateral. Drain both water and sand out of
tank. Remove valve; follow procedure under "Filter Setup", Page 6, and
instructions with new lateral to replace broken part.
To avoid severe injury or major property damage, follow
instructions under 'Valve Installation', Figures 6 and 7, Page 7).
1. Follow valve removal procedure, Page 10.
2. Replace lateral according to instructions supplied with new lateral.
3. Reassemble filter according to instructions under "Filter Setup", Page 6.
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