Troubleshooting - Culligan Aqua-Cleer Series Installation, Operation & Service Instructions With Part List

Troubleshooting Guide
If a problem cannot be corrected through use of this Troubleshooting Guide and assistance from the factory is required, please
have the following information available:
1. Product water flow rate (directly from module).
2. Concentrate flow rate (from concentrate water outlet of module housing). Pressure relief valve must be closed when
measuring concentrate flow rate.
3. Feed water line pressure.
*4. Product water quality (directly from module).
*5. Reservoir water quality.
*6. Feed water quality.
7. Feed water temperature.
8. Reservoir precharge pressure.
* Check with TDS meter PN D0-4705-04.
Problem
1. Insufficient quantity
of product water
available to service.
2. Poor product water
quality.
3. Bad tasting product
water.
32 Culligan Aqua-Cleer Drinking Water Systems
® ®
Possible Cause
a. Service greater than unit's specified output.
b. Insufficient feed water flow.
c. Insufficient feed water pressure
d. Increase in feed water TDS.
e. Reduced feed water temperature.
f. Plugged prefilter.
g. Plugged polishing filter.
h. RO membrane fouled with sediment.
i. Shutoff malfunction.
a. All of (1) above except (a) and (e).
b. RO membrane filter worn out.
d. Shutoff malfunction.
a. Decrease in product quality; see (2) above.
b. Foreign matter in storage tank.
c. Polishing filter exhausted.
d. Plugged capillary tube.
e. Storage tank bladder is ruptured.
Remedy
a. Use optional large tank for more storage
capacity.
b. 1. Clogged shut-off valve or feed tubing;
clean out or replace.
2. Clogged prefilter; replace.
3. Clogged manifold; clean or replace.
c. 1. Same as (b) above.
2. Change in line pressure; install booster
pump.
d. 1. Same as (a) above.
2. Install booster pump.
e. Same as above.
f. Replace filter element.
g. Replace polishing filter.
h. Replace RO membrane and prefilter
elements.
i. Clean or replace shutoff.
a. All of (1) above except (a), (e), and (g).
b. Replace RO membrane.
d. Replace shutoff.
a. Same as (2) above.
b. Clean, sanitize, and flush storage tank.
c. Replace polishing filter
d. Replace capillary tube; replace prefilter, if
necessary.
e. Replace storage tank and check precharge
pressure.