A.O. Smith LILY User Manual page 25

FAILURE EXPERIENCED
No or little decrease in • RO membrane connector o-ring deformed.
• RO membrane ruptured/aperture enlarged.
TDS value in product
water
Machine not treating • Air in the tubing.
water after replacing
filter cartridge
Pressurized motor • Outlet check valve not blocking water completely.
• Leakage in the tubing.
continues to restart
frequently
Booster pump motor • Abnormal frequent start up and overheat.
burned out
Motor does not pump up • Air in the motor.
• Pre-filter is blocked.
the pressure
Transformer smell • Power input specification error.
• Power source is burned/failed.
RO water smells or • PAC filter is saturated.
• Intermittent usage, water ceases flowing.
tastes strange
Filter cartridge junction • Filter housing not locking tightly.
• Filter housing o-ring deformed.
leakage
• UV Lamp damaged.
UV Lamp can't light
• UV Lamp ballast damaged.
up
• UV Lamp life due.
REASON SOLUTION METHOD
• Replace o-ring.
• Replace RO membrane.
• Vent the air in the tubing.
• Replace check valve.
• Lock tightly/replace tubing.
• Replace booster pump.
• Vent the air.
• Replace pre-filter.
• Check if power input complies with standard specs.
• Check the power source, replace if necessary.
• Replace PAC filter.
• Drain tank water/replace PAC filter
cartridge.
• Lock housing tightly.
• Replace housing o-ring.
• Replace the UV Lamp.
• Replace the UV Lamp ballast.
• Replace the UV Lamp.
ENG 23