Librex WP-020, Operation Manual

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REVERSE OSMOSIS WATER DISPENSER
E-P.9
Once all the above procedures have been performed and your machine still dose not work or dose not work correctly,
please do not try to perform other repair procedure yourself. Always call a qualified service technician to check. We are
not responsible for any damages incurred during self-reparation and all warranty will be invalid.
VIII - Trouble Shooting
a. Not press the button “POWER”
on the panel board
b. Not plug the power cord
c. Incorrect voltage
a. Press the button “POWER”
b. Plug the power cord
c. input correct voltage
a. Not press the button “COOL”
on the panel board
b. The indication of water level in
top tank is below “2” as starting
the unit
c.Compressor parts work
abnormally
d. Compressor with slow
refrigeration or subnormal
temperature
e. Trouble with the temperature
sensor of cold tank
a. Press the button “COOL”
b. Connect to city water and till the water level reaches
level 2.
c. Replace the corresponding parts of compressor
d. Observe whether hot air exhausted from the side
panel, if not, please replace motor fan; If air exhausted,
check the distance between the unit and wall
e. Replace the probe of temperature sensor
Water output
from cold water
faucet isn’t cold
No power
Warning indication
(beeping)
a.UV not light Please contact after-sales personnel for replacement
Problem Reason Solution
a. No water in top tank
b. Not replace filter for long time
to choke
c. Not replace RO membrane for
long time to choke
d. Trouble with boosting pump
e. The water level of top tank is
below specification center
f. Pipeline choke or tuck
a. to connect city water until the top water tank reaches
2 bars
b. Replace filters
c. Replace RO membrane
d. Test the voltage of boosting pump, if the voltage is
normal, please replace the boosting pump
e. to connect city water until the top water tank reaches
2 bars
f. Replace pipelines
No water
output from
cold/hot water
faucet
a.Not press the button “HOT” on
the panel board
b.Over-temperature protection
switch acts
c.Heater with broken circuit
d.Temperature sensor of hot tank
is abnormal
e.The indication of water level in
top tank is below “2” as starting
the unit
f. A lower set of maximum
temperature of hot water
a. Press the button “HOT”
b. Whether automatic reset is available after tempera-
ture drop
c. Replace heater
d. Replace the probe of temperature sensor
e. Connect to city water and till the water level reaches
level 2.
f. Reset
Water output
from hot water
Faucet isn’t hot
PP/CF/RO/CF icon
flashing
Filter subassembly and reverse
osmosis membrane have
reached their service life
Please contact after-sale service