Use and Care Manual
Introduction Installation Maintenance Troubleshoot WarrantySafety
Troubleshoot
The following guidelines are intended for troubleshooting simple and common issues. If you nd that you cannot
x the problem yourself please consult a local plumbing professional, or contact our customer service hotline at
1-800-928-7624. Please do not attempt to disassemble and repair the Purlette system, as such action could result in
damage to the system and void of warranty.
Issue Possible Cause
Recommended Action
• The level of TDS in feed water exceeds
the maximum level permitted by the EPA
for public drinking water
Water yield decreases drastically
• The water valves are not fully open,
resulting in a reduction in water ow
• Expired lter life or clogged lter
• Check to ensure that the three-way water ball valve
and the cold water supply valve are fully open.
• Replace the damaged/expired lters.
Filtered water quality is poor
(High TDS level)
• Filter not in use for an extended period
of time (over 3 days)
• Possible expired lter or clogged RO
lter
• Turn on the drinking water faucet and let it ush for
3-5 minutes.
• Replace the expired/clogged lter.
• Immediately uninstall the Purlette system to avoid
system damage.
• Install a pretreatment device to the cold water supply
stop valve or main water shutoff valve.
• Measure the source water TDS level with a TDS
meter to ensure that the feed water TDS is now
below 500ppm.
• Reinstall the Purlette system after the pretreatment
device.
TDS is high, but lters have been recently
replaced
*If water source has a TDS of over 500 ppm, a pretreatment device is required to be installed before using the system.