Flowmatic FMR04-ZW User Manual download pdf (Page 11)

Trouble shooting

Problem Cause Solution

Low/slow production Excessive air pressure in tank

Pump not operating

Fouled membrane

Plugged pre-filters

Crimped tubing

Angle stop or water line valve

not fully opened

Relieve pressure at Schrader valve on tank (set

to 7 psi with the tank empty)

Wiring connection broken (plug 110 AC wall

plug back in at wall and/or reconnect the 24

VAC wire harness connectors)

Replace pump if needed

Replace membrane

Replace filters

Check tubes to make sure they are not kinked

Ensure valves are opened by turning valve

handle counter clockwise until it stops

Milky colored water Air in the system Air in the system is a normal occurrence with

initial start up of the RO system. This milky look

will disappear during normal use within 1-2

weeks. If condition reoccurs after filter changes,

drain tank 1 to 2 times.

Faucet Dripping

Needs adjustment

see page 12

Pump short cycles Ball valve on tank closed

Blue tube blocked between

the tank and RO system

Faulty pressure switch

Open the ball valve on the top of the tank

Remove kinked/damaged section and replace if

necessary

Call for technical support

Bowl leaks at the top after

changing the filters

Damaged/Dry O-ring Lubricate with water soluble lubricant or replace

O-ring as necessary (Do not use Vaseline or

other petroleum based lubricants)

Pump constantly running Electrical fault

Faucet left on

Plugged pre-filters

Call for technical support

Close faucet and let tank fill for 2 to 3 hours

Replace filters

Checking air pressure in tank

Note: Check air pressure when tank is empty. Step 1 Open

faucet and drain the tank.

Step 2 Using a digital air gauge check the air pressure in the tank.

There should always be between 5-7 psi.

Step 3 If you have more than 7 psi release air and recheck. If you

have less than 5 psi, add air. Air can be added with a

bicycle pump.

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Flowmatic FMR04-ZW User Manual Page 11

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