Ecosoft FK1235CABCEMIXC - Инструкция по эксплуатации - Страница 30

INSTRUCTION MANUAL ECOSOFT

®

 MEDIA SYSTEMS

30

PROBLEM

CAUSE

CORRECTION

1.

Decreased 

service flow 

capacity.

Decreased supply water pressure. Increase supply water pressure.

Clogged filter bed.

See paragraph 3.

Obstructed/clogged drain line.

Clean the drain line.

Clogged control valve.

Inspect and clean the control valve.

NHWBP/MAV failure (if used).

Inspect and repair the motorized valve.

2.

Decreased 
quality of 
treated water.

Faulty chemical analysis of water. Perform one more test using freshly 

prepared reagents.

Supply water chemistry has 
changed.

Make new check analysis and if changed 
contact your dealer.

Bypass valve is set to bypass.

Turn bypass valve to operating position.

Riser pipe or seals are damaged.

Take apart the filter, inspect and replace 

or lubricate pipe and seals if necessary

Clogged filter bed.

See paragraph 3.

Filter media loss.

See paragraph 4.

Improper filter regeneration.

See paragraph 6.

Leakage of raw water inside the 
control valve.

Take apart the control valve, inspect and 
replace or lubricate the seals if needed.

3.

 Clogged 

filter bed.

Insufficient backwash flow rate.

Check backwash flow rate. If supply pres

-

sure is within the limits and the flow rate 
is insufficient, inspect and clean the drain 
line flow control or replace it if needed.

Insufficient backwash stage.

Increase the duration of backwash stage.

Clogged top distributor.

Clean the top distributor.

Excessive backwash flow rate.

Measure backwash flow rate. If supply 
pressure is normal and the flow rate is 

exceeding, consider changing the drain 

line flow control.

4.

 Filter 

media 
entrainment.

Filter media is entrained and 
discharged during backwash.

Replace the top distributor if needed.

Filter media is entrained and 
discharged during service.

Replace the bottom distributor if needed.

8. TROUBLESHOOTING