Pentair CARBON FILTRATION SYSTEM 1.0 Installation And Service Manual page 26

TROUBLESHOOTING GUIDE
SYMPTOM
3. The valve cycles
continuously.
4. Loss of filter
media through
the drain line.
5. Loss of water
pressure.
6. Constant water
flow to the drain.
If the troubleshooting guide did not resolve the unit's symptoms, please contact your local Dealer for service.
26 • WHOLE HOUSE CARBON FILTRATION SYSTEM
CAUSE
Defective or shorted microswitches.
1. Excessive backwash/fast rinse flow.
2. The lower and/or upper distributor
is damaged.
3. A leak between the riser tube and
upper distributor.
1. Mineral or iron build up in the filter tank.
2. Plugged lower and/or upper distributor.
3. Crushed lower and/or upper distributor.
4. Plugged riser pipe.
1. Drive motor failure.
2. Computer board failure.
3. Defective microswitch(es).
4. The valve body and timer are out
of synchronization.
SOLUTION
Replace the microswitches.
1. Verify that the backwash flow control
is installed and sized correctly.
2. Replace the distributor(s).
3. Verify that the riser tube is seated
correctly and is not cracked.
1. Clean the filter bed and control valve.
Increase the regeneration frequency.
2. Remove the debris from
the distributor(s).
3. Replace the distributor(s).
4. Remove and clean the riser pipe.
1. Replace the drive motor.
2. Replace the computer board.
3. Replace the microswitch(es).
4. Synchronize the valve body and timer.