14
Problem Possible
Cause
Corrective
Action
Purifier not operating.
No electrical power…
Verify that the purifier is connected to a
live power source.
Cracked or broken
Shut down purifier, drain, and replace quartz sleeve.
quartz sleeve…
See “
Quartz Sleeve Cleaning or Replacement
”.
Water leaking into/from
Quartz sleeve sealing
Shut down purifier, drain, and remove static gland nut,
purifier.
o-ring (s) worn, damaged…
replace sealing o-ring. See “
Quartz Sleeve Cleaning or
Replacement
”.
Poor, or loose, connections
Tighten suspect connection or
John Guest
™
fitting; or shut
or fittings…
down purifier, drain, and remove fitting or connection.
Clean threads; reapply thread sealing tape and reinstall.
Water leaking from fitting.
Tubing may not be installed
See “Tubing Installation” for the proper method for
properly…
installing tubing.
Water cloudy and/or has air
Air in system…
Open system faucet, allow water to run, until water
bubbles.
clears and has no air bubbles.
Water contains black particles.
New carbon filter cartridges
Open system faucet; allow water to run, purging the
contain activated carbon,
carbon particles from the cartridge, until water is clear
.
in a powder form…
Filters installed for longer
Replace both filter cartridges. See “
Filter Cartridge
Water pressure dropped.
than 12 months…
Replacement
”.
Water quality poor,
filters clogged…
Quartz sleeve fouled…
Clean quartz sleeve, see “
Quartz Sleeve Cleaning
or Replacement
”.
Germicidal lamp output
Replace lamp, as it nears its end of life (
EOL
). See
depreciating… “
Lamp Installation or Replacement
”.
Poor purifier performance
Germicidal lamp not
Replace lamp. See “
Lamp Installation or
functioning…
Replacement
”.
Low input voltage…
Verify input voltage to purifier.
Change in water quality…
Have water tested to confirm that it does not exceed
maximum recommended concentration levels for use
with this purifier.
TROUBLESHOOTING
WARNING:
Always disconnect power to the water purifier before performing any service or maintenance.
IMPORTANT:
This unit is to be serviced
ONLY
by qualified, and appropriately licensed, personnel.
Table 2 - Troubleshooting
!
