Rainfresh CAFO 948 Installation & operation manual - page 12
12
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. No water flowing into
filter unit
1. Inlet check valve installed in
reverse
1. Install check valve with arrow pointing
towards bypass valve (see Fig 6)
B. Unit does not
regenerate
1. No power supply
2. Defective circuit board
3. Bypass valve closed
1. Check power supply & re-set time of day
2. Replace faulty parts
3. Open bypass valve (see Fig 3)
C. Filter does not seem to
be working as there is
iron in filtered water
1. Power supply unplugged
2. Bypass valve is closed
3. Leak between valve and riser
tube
4. Internal valve leak
5. Air leak in brine check valve
or inlet check valve
6. Supply water pH too low
1. Plug in control valve to power supply
2. Open bypass valve
3. Check if riser is cracked or O-ring is
damaged. Replace faulty parts
4. Replace valve seals, spacer and piston
assembly
5. Push brine check valve fully into fitting or
replace. Replace inlet check valve
6. Install pH neutralizing filter (Call Rainfresh)
D. Low water pressure
1. Not enough water flow from
pump to regenerate unit
properly
2. Inlet of control valve plugged
due to dirt
1. Replace pump to correct size. May need to
replace filter sand as well. Remove any
flow limiting devices before unit
2. Clean control valve inlet
E. Filter media in drain line
1. Incorrect or missing drain line
flow control (DLFC)
1. Check and replace DLFC
F. Filter media in plumbing
lines or water is coming
out grey or very
discoloured
1. You have reversed the
inlet/outlet of the unit
1. See fig 1 for correct inlet/outlet and plumb
correctly. You will need to flush all your
plumbing lines and may need to top up the
sand as well
G. Unit cycles continuously
1. Defective circuit board
1. Replace faulty parts
H. Water flows to drain
continuously
1. Valve settings incorrect
2. Internal leak
1. Check valve settings
2. Replace seals, spacer & piston assembly
I. Filter is leaking between
the bypass valve and
control valve
1. O-rings pinched or damaged
Check the metal adapter clips holding the 2
components together and tighten if necessary.
Replace O-rings as required
J. Filter is always flashing
through different pieces
of information
This is normal
No action required
K. I am having difficulty
accessing level 2
programming?
Unlock the screen by pressing and holding the
menu button for 3 seconds. Press and hold
both up and down arrows until the system
language appears. See video at
http://rainfresh.ca/how_to_videos.php
L. My display screen is
blank
1. Power cord may be unplugged
from either adapter or receptacle
2. Defective circuit board
1. Re-connect power cord
2. Call Rainfresh to receive new circuit board
with replacement instructions