Hydrotech PURA QCUF Quick Change Ultrafiltration Drinking Water System - Manual (Page 21)

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If a problem cannot be corrected through the use of this troubleshooting guide please have the following information
ready prior to calling the 1-800 number on the back of this manual:
• Serial #
• Model #
Problem Possible Cause remedy
1. Insufficient
quantity of
product water
available to
service.
a. Plugged prefilter. a. Replace filter element.
b. Plugged polishing filter. b. Replace polishing filter.
c. UF membrane fouled with sediment. c. Replace UF membrane and prefilter
elements.
2. Poor product
water quality.
a. All of (1) above. a. All of (1) above.
b. UF membrane worn out. b. Replace UF membrane.
3. Bad tasting product
water.
a. Decrease in product quality; see (2)
above.
a. Same as (2) above.
b. Polishing filter exhausted. b. Replace polishing filter
4. External leakage. a. Tubing not fully seated in fitting a. Check all fittings for tightness.
b. Tubing abraded in seal area. b. Recut tubing and redo connection.
5. Bad smell from
product water.
a. Polishing filter exhausted. a. Replace polishing filter.
b. Prefilter element. b. Replace filter element.
c. Unit needs disinfection. c. Sanitize unit.
6. Black specks in
product water.
a. Carbon fines. a. Flush polishing filter.
7. Low faucet
pressure.
a. Polishing filter plugged. a. Replace polishing filter.
Troubleshooting Guide