Kenmore REVERSE OSMOSIS 625.38556 User Manual download pdf (Page 24)

Troubleshooting

Problem: Chlorine taste and/or odor in the RO product water.

Cause: The level of chlorine in your water

supply exceeds maximum limits, and

has destroyed the Reverse Osmosis

membrane.

Correction: If the water supply contains more than 2.0 ppm of chlorine,

additional filtering of the water supply to the Reverse Osmosis is

needed. Correct this condition before doing maintenance on the

Reverse Osmosis system.

Cause: The prefilter is no longer reducing

chlorine from the water supply.

Correction: Replace the prefilter, postfilter and Reverse Osmosis membrane

cartridges. See page 20.

Problem: Other taste and/or odor.

Cause: Postfilter expended.

Reverse Osmosis membrane cartridge

expended.

Correction: Replace the post filter cartridge. If taste and odor persists,

replace the prefilter cartridge and Reverse Osmosis membrane

cartridge. See page 20.

Cause: Contamination in product water

storage tank.

Correction: Use sanitizing procedures. Replace pre and post filter cartridge.

See pages 16 & 20.

Cause: System contamination. Correction: Sanitize entire system. Call 1-800-426-9345 for instructions.

Problem: System makes product water too slowly.

Cause: Water supply to the Reverse Osmosis

system not within specifications.

Correction: Increase water pressure, precondition the water, etc., as needed

to conform before doing maintenance on the Reverse Osmosis

system.

Cause: Prefilter or Reverse Osmosis membrane

cartridges plugged with sediments.

Correction: Replace the prefilter cartridge. If rate does not increase, replace

the postfilter cartridge and Reverse Osmosis membrane cartridge.

See page 20.

Problem: System makes lower amount of product water than usual.

Cause: Storage tank air-charge less than

5-7 psi.

Correction: Open Reverse Osmosis faucet and drain tank until flow slows to a

drip. Keep faucet open and check tank pressure. If low, pressurize

to 6 psi. Close faucet to refill the tank.

Problem: High total dissolved solids (TDS) in product water.

Cause: Water supply to the Reverse Osmosis

system not within specifications.

Correction: Increase water pressure, precondition the water, etc., as needed

to conform before doing maintenance on the Reverse Osmosis

system.

Correction: Send treated and untreated water samples to a water analysis

lab for testing. It is important to test both the treated and

untreated water to determine system performance. If the TDS is

not within the system’s performance guidelines, replace the pre

filter, post filter and RO membrane cartridges.

Problem: Continual water flow to drain and no product water.

Cause: Missing flow control insert in red drain

tube or its corresponding port.

Correction: Replace flow control insert. See page 21.

Questions? Call The Kenmore Water Line 1-800-426-9345 or visit KenmoreWater.com

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Kenmore REVERSE OSMOSIS 625.38556 User Manual Page 24

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