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12 

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TROUBLESHOOTING 

 

Please review the following troubleshooting guide before calling customer service. 

 

If you are unable to resolve the problem using the guide below, please call customer service at    
1800 667 8072 (Mon to Fri 8:30 AM to 5 PM EST) 

 

Please have your receipt & model number ready before you call. Customer service may request 
digital pictures of your installation in order to help troubleshoot the unit. 

 

ISSUE 

POSSIBLE CAUSE 

SOLUTION 

A.

 

Unit fails to start a 
regeneration cycle 

1.

 

No power supply 

2.

 

Defective circuit board 

1.

 

Check electrical service & re-set time of 
day 

2.

 

Replace faulty parts 

B.

 

Filter does not 
seem to be working 

1.

 

Control valve unplugged 

2.

 

Bypass valve is closed 

3.

 

No POT-PERM in chemical tank 

4.

 

Plugged injector/screen 

5.

 

Brine refill settings wrong 

6.

 

Leak between valve and riser tube 

7.

 

Internal valve leak 

1.

 

Plug in control valve to power supply 

2.

 

Open bypass valve 

3.

 

Add POT PERM 

4.

 

Clean parts (see page 12) 

5.

 

Correct brine refill settings  (see page 11) 

6.

 

Check if riser is cracked or O-ring is 
damaged. Replace faulty parts 

7.

 

Replace valve seals, spacer and piston 
assembly 

C.

 

POT PERM use is 
high 

1.

 

Refill time is too high  

1.

 

Correct brine refill settings  

D.

 

Low water pressure 

1.

 

Iron or Manganese buildup in line 
feeding filter 

2.

 

Iron buildup inside valve or tank 

3.

 

Inlet of control valve plugged due 
to dirt 

1.

 

Clean/replace supply line 

2.

 

Clean control valve & increase 
regeneration frequency 

3.

 

Clean control valve inlet 

E.

 

Greensand media 
in drain line 

1.

 

Air in water system 

2.

 

Incorrect or missing drain line flow 
control (DLFC) 

1.

 

Check well system for proper air 
elimination 

2.

 

Check and replace DLFC 

F.

 

Too much water in 
chemical tank or 
chemical tank 
overflowing 

1.

 

Plugged injector or screen 

2.

 

Plugged brine valve 

3.

 

DLFC plugged 

4.

 

Brine float has been incorrectly set 

1.

 

Clean parts  

2.

 

Clean parts 

3.

 

Clean DLFC 

4.

 

Set brine float to mark 

G.

 

Unit fails to draw 
chemical 

1.

 

Elastic band on safety float in 
chemical tank has not been 
removed 

2.

 

DLFC plugged 

3.

 

Injector or screen is plugged 

4.

 

Inlet pressure too low 

5.

 

Internal valve leak 

6.

 

Vacation Mode set to “Yes” 

1.

 

Remove elastic band as per instructions 

2.

 

Clean DLFC 

3.

 

Clean parts 

4.

 

Increase min pressure to at least 25 psi 

5.

 

Replace seals, spacer & piston assembly 

6.

 

Under level 1 programming, set vacation 
mode to “No” 

H.

 

Unit cycles 
continuously 

1.

 

Defective circuit board 

1.

 

Replace faulty parts 

I.

 

Water flows to 
drain continuously 

1.

 

Valve settings incorrect 

2.

 

Internal leak 

1.

 

Check valve settings 

2.

 

Replace seals, spacer & piston assembly 

J.

 

POT-PERM in the 
water line 

1.

 

Wrong regeneration settings 

1.

 

Ensure that under level 2 programming all 
parameters are set to default settings 

 
 

 

Summary of Contents for CGFE948

Page 1: ...Monday to Friday 8 30 AM to 5 00 PM EST www rainfresh ca TABLE OF CONTENTS A System Specifications 2 B How the CGFE System Works 2 C Safety Precautions 2 D Installation 3 a Electrical Requirements 3...

Page 2: ...d media and simultaneously filtered out Hydrogen Sulphide is reduced to an insoluble sulphur precipitate which is also filtered in the bed Water coming out of the greensand filter is virtually free of...

Page 3: ...ired How to check well pump flow rate must be more than 5 GPM 19 LPM Make sure that the pressure tank is full and no one uses any water until you have finished the test 1 Connect a hose to an appropri...

Page 4: ...NECTIONS WILL RESULT IN FILTER MEDIA BEING THROWN INTO YOUR HOME S PLUMBING SYSTEM CAUSING DAMAGE TO IT AS WELL AS THE Filter system You can use copper CPVC PVC or PEX to install your new system Insta...

Page 5: ...to the ceiling joists max 8 ft ceiling and run it to the nearest laundry tub or drain pipe This can be ran up overhead or down along the floor If running drain line more than 30 feet overhead increas...

Page 6: ...nsert Allen key into the bypass handles and make sure that the valve is in BYPASS position Turn on the switch for the well pump If you had emptied the pressure tank allow it to fill up until the well...

Page 7: ...ride 12 Delayed Regeneration 13 Regeneration Time 14 Refill Time 15 Valve Model 16 Valve ID The control valve has a display screen and 4 buttons PROGRAMMING I LANGUAGE SELECTION SETTINGS The function...

Page 8: ...urrent minutes TIME OF DAY 08 51 PM 7 Press SETTINGS key again and AM PM will be highlighted 8 Now press UP or DOWN key to change AM PM value to current time 9 Press SETTINGS button again and YEAR wil...

Page 9: ...ss SETTINGS again and this completes the programming LOAD DEFAULT NO PROGRAMMING COMPLETE Unlock display by pressing SETTINGS for 3 sec Press UP DOWN keys together for 3 seconds until unit beeps and d...

Page 10: ...s approximately 1 5 hours During this time you may hear water running intermittently to the drain Manual Bypass In the case of emergency such as an overflowing chemical tank you can isolate your filte...

Page 11: ...n frequency days between regenerations Therefore system should be set to regenerate 1176 240 4 9 days once every 4 days Do not change regeneration frequency to more than once every 4 days Winterizing...

Page 12: ...uildup in line feeding filter 2 Iron buildup inside valve or tank 3 Inlet of control valve plugged due to dirt 1 Clean replace supply line 2 Clean control valve increase regeneration frequency 3 Clean...

Page 13: ...13 PARTS LIST...

Page 14: ...t its option of any part found by company inspection to be defective provided that the product has not been misused abuse altered or damaged by Consumer with respect to the original installation as de...

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