A.O. Smith ADR75-V-ET-1 User Manual page 13

2. Alarming function: After buzzer makes alarm, alarming code displays on
flashes. (please call our hot line and prepare for machine maintenance)
1) filter life alarm: The icon
the end of its life. And it turns orange to make early warning. Early warning: alarm buzzes 4 times when
entering into water production state. It will make the second warning after 24 hours. Alarming: alarm buzzes 8
times when entering into water production state and F1 shows on
2) water leakage alarm: F2 shows on
3) overflow alarm:F3 shows on
4) super high temperature alarm: F5 appears on
5) Ultra low temperature alarm: F6 appears on
6) Lacking water alarm: F7 appears on
7) Hot water NTC failure: E1 appears on
doesn't stop working after heating for 45mins.
8) cold water NTC failure: E2 appears on
9) High and low floater failure: E4 shows on
machine maintenance)
(3) USB panel Function
"Select" button: can select 1st, 2nd, 3rd ,4th, 5th stage filter. Corresponding icon stays on.
"Reset" button: Hold it for over 3 seconds to activate it. Reset selected filter life and corresponding filter
indicator flashes in green. Do nothing for 10 seconds to exit this status.
Note: reset button can only be operated when replacing filter, otherwise, it is not
permitted.
(4) Our primary water quality treatment components adopt the most advanced
RO technology in the world. Please find below their configurations.
Stage
1st stage
2nd stage
3rd stage
4th stage
5th stage
and alarm keeps buzzing.
. Alarm buzzes 3 times with 2 seconds as a cycle.
. Alarm buzzes 7 times with 2 seconds as a cycle.
. Hot water NTC is short circuited, open circuited or
. Cold water NTC is short circuited or open circuited.
Product type and
material
Granular activated carbon filter
Reverse osmosis
membrane
Post activated carbon
filter
turns red when corresponding filter is reaching
.
.Alarm buzzes 5 times with 2 seconds as a cycle.
. Alarm buzzes 6 times with 2 seconds as a cycle.
,high and low floater is abnormal.
Function
The PP filter has a 5 micron pore size that
can effectively filter rust, sand, other solid
impurities, and larger particles in water.
The carbon filter can effectively adsorb free
chlorine, organic matter, disinfection byproducts,
smells,discoloration, and other substances in
water.
The 1-micron PP filter can further remove
particles of a smaller size, such as suspended
solids and colloids.
Effectively remove bacteria, viruses, heavy
metals, pesticide residues, and other harmful
substances from the water
Removes odor and adjusts taste.
and the whole screen
the unit
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