16
Troubleshooting
Symptom:
PURO PURE fails to make any pure water.
Possible Cause
Solution
Power supply to PURO PRO has
been interrupted.
Determine reason for power
interruption and correct.
Water pressure lost.
Restore water pressure.
Drain control is closed.
Review and repeat Start-Up
procedure.
Storage Tank is full.
Recheck when water level decreases.
Filters and/or membranes have
become severely fouled.
Replace and re-start.
Symptom:
PURO PRO has greatly reduced production.
Possible Cause
Solution
Water pressure is decreased below
60 psi.
Restore water pressure.
Drain control is improperly set.
Review and repeat Start-Up
procedure.
Filters and/or membranes have
become severely fouled.
Check and replace prefilter, post filter
and then membranes until production
resumes.
Feed water temperature has
decreased to below 45 degrees F.
Raise feed water temperature.
Feed water TDS has increased to
over 2000 ppm.
Consider high-pressure reverse
osmosis system.
