Multi-Pure MP1200EL Owner's Manual download pdf (Page 28)

Problem Cause Remedy

Taste/Odor (general)

The carbon block filter may become saturated w ith

the taste and odors it adsorbs.

Change the filter

Rotten egg odor

Typically a sign of H2S (hydrogen sulfide) gas

w hich can occur at any time.

It is recommended that you keep tw o filter cartridges

on hand. When one becomes saturated w ith odor,

remove it and allow it to dry upside (threaded-hole)

dow n on a paper tow el. The sulfur gas w ill dissipate,

allow ing the cartridge to be reused. Rotating

cartridges in this manner w ill, in some cases, help

extend the life of the filter.

Odor & odd color on cartridge

H2S (hydrogen sulfide) caused by iron

(orange/brow nish), manganese (blackish), and/or

decaying organisms (slimy/blotchy colors) can

cause rotten egg-type odor.

Change of filter cartridge is the only recommended

course of action.

“Milky” color in w ater

Higher than normal w ater pressure through the

System w ill create small bubbles. Air bubbles do

not effect the performance of the system. Air can

be trapped inside the lid of the housing.

For a countertop installation, turn on the w ater and

engage the diverter valve w hile reducing the w ater

flow slightly. For a below the sink installation, adjust

the w ater pressure at the feedw ater adapter below

the sink. Turn on the ledge faucet or diverter valve

and let w ater run f or 3 to 5 minutes after installation or

filter change.

Flow rate is slow

Solids: The filter is designed to become restricted

in its f low rate w hen the filter becomes clogged

w ith particulate and other contaminants. When

your w ater flow rate slow s to the point that it is

inconvenient to use, it is time to change your f ilter.

It is recommended that filters be replaced at least

every tw elve months or w hen its capacity is reached,

w hichever comes first. If w ater pressure is too low ,

adjust w ater pressure to 60 psi. If other faucets or

sprinklers are on turn off other running w ater.

Water dripping from faucet assembly Adjustment of w ater f low is needed.

Below sink units - remove the f aucet handle by f irst

removing the spout (pull straight up) and then slide the

handle off the f aucet base. Then turn the small t-bar

about one half turn to tighten the faucet assembly.

Water is black Carbon dust

Allow w ater to run through the unit to w aste for

approximately 20 minutes to flush the filter and charge

the carbon.

XVI Troubleshooting

Maintenance Problems

Flushing / disinfecting the unit housing: Multi-

Pure recommends that you not allow water to sit in

a unit for extended periods of time without it being

used. If a unit is left unused for more than 10 days,

it may need to be flushed/disinfected before you

resume use.

Stuck / Sticking Diverter Valve: Normally caused

by a mineral (calcium) buildup around the diverter

stem. There are two methods for solving this prob-

lem (Vegetable Oil or Vinegar).

If these methods don’t work, it may be neces-

sary to replace the diverter valve. Please con-

tact Multi-Pure Customer Service at

800-622-9206 for assistance.

To flush a unit that may be contaminated:

1. Confirm that water is turned off to the unit.

2. Relieve the water pressure (if below sink unit) by opening the unit faucet.

3. Remove and discard the used filter.

4. Clean & rinse out the inside of the housing.

5. Add 5 to 7 drops of bleach, such as Clorox™ or Purex™ (5 ¼% sodium hypochlorite) to the

bottom canister.

6. Reconnect the housing top and bottom without the replacement filter.

7. Turn on water and let unit housing fill up with the water/bleach solution.

8. Allow unit to soak for at least 30 minutes.

a. Countertop Units: To disinfect the spout, place your finger over the tip of the spout and turn

the unit upside down. Repeat this procedure 2 or 3 times during the 30-minute soak period.

b. Below Sink Units: To disinfect the faucet spout, remove the spout and place it in a container

with one-quart of water and bleach (use 5 drops of bleach) and allow to soak for 30 minutes.

9. After the housing has soaked for 30 minutes, disassemble the top and bottom and pour out the

water/bleach solution. Rinse out the inside of the housing.

10. Replace the filter (cartridge) following the instructions with the new filter.

11. Follow the instructions with the replacement filter for reconnecting and flushing your unit.

Vegetable Oil (Using vegetable oil to lubricate the diverter valve does not dissolve the mineral

deposits which build up and cause the sticking; thus it will be necessary to repeat this procedure

from time to time)

1. Unscrew diverter valve from faucet.

2. Pour a little vegetable oil in the inlet hole.

3. Pull the diverter valve stem in/out several times to lubricate it thoroughly.

4. Replace diverter valve on faucet.

Vinegar (Using vinegar to dissolve the mineral deposits may cause discoloration)

1. Unscrew diverter valve from faucet.

2. Soak diverter valve in vinegar for 10 minutes.

3. Rinse and replace diverter valve on faucet.

Diverter Stem Stuck (If diverter stem is not operating properly - sticking)

1. Disconnect diverter valve from faucet.

2. Push pin in -- if you can push the pin easily, there was air in the tubing.

3. Reconnect diverter valve.

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Multi-Pure MP1200EL Owner's Manual Page 28

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