Safeway water 4 Stage Ro, Installation & Maintenance Manual, Page: 14 / 16

Problem Possible Cause Remedy
8. 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.
9. Fast flow to drain. a. Defective flow control assembly. a. Replace flow control assembly.
10. Black specks in
product water.
a. Carbon fines. a. Flush polishing filter.
11. Low faucet pressure. a. Inadequate pre-charge pressure in
storage tank.
a. Check tank pre-charge pressure and add
air if required.
b. Polishing filter plugged. b. Replace polishing filter.
12. Flow control plugging. a. Excessive turbidity. a. Install another 5 micron filter in series with
existing one or substitute carbon block
filter for granular activated carbon filter.
b. Iron fouled. b. Pretreat for iron removal.
c. Iron-bacteria fouled. c. Sanitize plumbing.
I Installation & Maintenance Guide 12