GE F-801 - Manual (Page 82)

F-801 Internal RO System by GE Osmonics
12552e - 27 Feb 04 5- 8 Troubleshooting
4. Center tube of ROMA collapsed from operating at high temperatures.
a. Correct temperature problem.
b. Replace membrane.
5. Check softener pretreatment for brackish (high salt) water.
a. Check inlet water for high conductivity.
b. Check water softener for proper function.
c. Regenerate softener.
d. Check supply water for hardness and conductivity.
6. Feed water fouling membrane (change in feed water).
a. Check for change in feed water quality.
b. Check with city water department.
5.8 Product Flow Too High
1. Rejection Satisfactory
A. Pump pressure too high.
a. Adjust pressure regulator setting to specifications.
B. Feedwater temperature too high.
a. Adjust temperature blending valve.
b. Correct plumbing error that allows the cold water to be heated.
2. Rejection Unsatisfactory
A. Waste flow too low.
a. Check waste flow rate.
b. Check for blockage or kink in waste line.
c. Quick disconnect not connected completely.
B. High pH and chlorines in feed water.
a. Check feedwater for higher than 8.5 and the presence of chloramines.
b. Check pH reduction equipment if applicable.
c. Contact GE Osmonics.
C. ROMA internal seals damaged, dirty, or dislodged.
a. Disassemble ROMA, clean and inspect “O” rings and seals.
D. Membrane hydrolyzed (exposed to oxidant).
a. Verify condition of pretreatment equipment.
E. Membrane damaged (or ruptured).
a. Check for high product pressure.
b. Check for product line being back pressured.
F. Normal membrane rejection decline (over time).
a. Perform AAMI water lab analysis.
b. Replace membrane if indicated by analysis.