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Below are the common problems you might encounter as an APEC RO-Perm Owner. Please identify the problems on your RO-Perm with the help of the diagram. Click on the problems for solutions and literatures. If problems persist, please call your APEC technical support center for further instructions (Toll Free: 1-800-880-4808). |
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Problem
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Visual Reference and Brief Explanation
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Generally refer to the flow at the faucet
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Generally refer to the flow at the faucet
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Water from the Brine out line going to the drain saddle
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RO water from the faucet
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The Pump, perfectly fine
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Noise: Humming and Buzzing
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Check Valve. Point E on Figure 1
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RO water from the faucet
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See Figure 1
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All connections and Possible missing O-Rings
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RO water
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Troubleshoot Points Identification:
Point A: Feed water inlet into Stage-1 filter
Point B: Stage-3 filter's outlet port
Perm In: For Permeate Pumped systems, the permeate pump replaces the ASO valve, it serves both as a pump and an auto-shut-off valve.
Perm Out: RO water is jetted out from this line to the tank.
Brine In: Waste water enter from this line.
Brine Out: Waste water exit form this line
Point D: Stage-4 Membrane housing inlet port. Feed water after passing the 3 prefilters enters the Membrane at this port.
Point E: Check Valve. The filtered water from the Membrane passes through this Check Valve before it enters the storage tank. The Check Valve serves to block the water from back-flowing from the tank back into the membrane.
Point F: T-fitting on the Stage-5 filter. This end of the T-fitting connects to the CLEAR pure water line.
Point G: T-fitting on the Stage-5 filter. This other end of the T-fitting connects to the YELLOW pure water line which goes to the tank's valve.
Point H: The output end of Stage-5 filter. Pure water leaves Stage-5 filter via this port, and flows onto the dispensing faucet.