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Item 63920, 63921
Page 18
11 2023-1
Backwash
time
1.
In the “water supply” position, press the button
to call up the user interface shown in Fig.
A3.
2.
Press
, select “Set Washing Time,” and
press to call up the menu as shown in Fig.
A3. The hour “02” flashes. Press
or
to
set the hour.
3.
Press the button again, the minutes “00”
flash. Press again to set the minutes.
4.
Press again to save the modification of the
backwash start time, then press to return.
Fig. A3
Troubleshooting table
If the water treatment device does not work, please check if there is a problem with the water supply or
the power supply (see table). — If the water treatment device is leaking, please close the tap water valve
connected to the water inlet of the water treatment device.
Problem
Possible cause
Proposed solution
Device interrupts operation
1. Transformer not plugged in
1. Plug in transformer.
2. Defective mains cable
2. Repair or replace socket.
3. Power cut off
3. Re-establish power.
4. Defective transformer
4. Replace transformer.
5. Defective control valve
5. Replace control valve.
Backwash time incorrect
Power failure, loose contact of
the mains plug
Set the time according to the in-
structions for the control valve.
Leakage
Loose connection
Tighten or reattach connection.
Noises
Air in system
Backwash system for venting.
Bubbles in water
Air in system
Turn on tap to release air.
Device dispenses raw water
1. Bypass valve open or leaking
1. Close or repair.
2. O-ring in riser pipe leaking
2. Check if riser pipe has
cracked. Control o-ring for dam-
age.
3. Leakage in the inner valve
3. Check body of valve, replace if
necessary.
Loss of pressure or rust in
pipe
1. Iron in water-supply line
1. Clean pipe.
2. Iron in filter
2. Clean valve, add filtering ma-
terial, increase backwashing fre-
quency.
Loss of filter materila trough
drain pipe
1. Air inside the water system
1. Ensure that there is sufficient
air release control in the system.
2. Strainer torn
2. Replace upper and lower pro-
tection.
3. Too strong a water flow when
backwashing
3. Check for correct water-flow
strength.
