Wasserhaus Deutschland GmbH· Max-Wundel-Strasse 12 · D-14469 Potsdam ·
Tel. 0331 – 505 79 43 · Fax 0331 – 505 79 52
www.wasserhaus.de · e-mail: [email protected]
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Replace the pre-filter, post-filter and RO membrane cartridges and flow control valve on
drain line
Problem: Other taste and odour
Probable cause:
•
Post-filter expended
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RO membrane cartridge expended
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Contamination in product water storage
Solution:
•
Replace the post-filter cartridge. If taste and odour persists, replace the pre-filter cartridge
and RO membrane cartridge and flow control valve on drain line.
•
Use sanitizing procedures. Replace the post-filter cartridge
Problem: System makes product water too slowly
Probable cause:
•
Pre-filter or RO Cartridges plugged with sediments
•
Water supply to RO not within specifications
Solution:
•
Replace the pre-filter cartridge. If rate does not increase, replace the post-filter cartridge,
RO membrane cartridge and flow control valve on drain line.
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Increase water pressure, precondition the water etc., as needed to conform, before doing
maintenance on the RO system
Problem: System makes lower amount of product water than usual
Probable cause: Storage tank air-charge less than 5-7 psi
Solution: Open RO faucet and drain tank until flow slows to a drip. Keep faucet open and
check tank pressure. If low, pressurize to 6psi. Close faucet to refill tank.
Problem: High total dissolved solids in product water
Probable cause:
•
Water supply to the RO system is not within specifications.
•
RO membrane cartridge expended
Solution:
•
Increase water pressure, precondition water, etc. as needed to conform before doing
maintenance on the RO system
•
Replace the pre-filter, post-filter, RO membrane cartridges, and flow control valve on drain
line
Problem: Continuous water flow to drain
Probable cause: Automatic shut-off valve assembly plugged, restricted
Solution: Clean repair or replace as needed
