Kapano residential RO system trouble shooting
Note: Turn off the system before servicing
| PROBLEM | CAUSE | SOLUTIONS |
| Milky colored water | √Air in system | →Air in the system is a normal occurrence with initial startup of the RO system. This milky look will disappear during normal use within 1 to 2 weeks. |
| Noise from faucet | √Air gap faucet
√Location of drain saddle √Restriction in drain line |
→Will disappear after system shuts down
→Relocate the drain to above water trap. →Blockage sometimes caused by debris from garbage disposal or dishwasher |
| Small amount of water from storage tank | √System just starting up
√Air pressure in storage tank is low |
→Normally it takes 2-3 hours to fill tank. Low water pressure and/or temperatures can reduce production rate.
→Add pressure to storage tank. The pressure should be 8-10 psi when the tank is empty |
| Slow production | √Low water pressure
√Crimps in tubing √Clogged prefilters √Fouled membrane |
→Add a booster pump
→Make sure tubing is straight →Replace prefilters →Replace membrane |
| Water taste or smell offensive | √Post carbon is depleted
√Fouled membrane √Sanitizer not flushed out |
→Replace post carbon
→Replace membrane →Drain storage tank and refill it overnight |
| No drain water | √Clogged flow restrictor | →Replace flow restrictor |
| Leaks | √Fittings and pipes are not tightened or separated during usage
√Fittings are not tightened √Twisted O-ring √Misalignment of hole in drain saddle |
→Tighten fittings and pipes as necessary
→Tighten fittings as necessary →Replace a o-ring →Realign drain saddle |