ProFlow PF-BTA, Technical Manual

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TROUBLESHOOTING
Page 17
PROBLEM CAUSE SOLUTION
Control valve fails to
refill brine tank Improper refill time setting Verify that refill time corresponds to salt level and
amount of filter media
Plugged refill flow control Clean refill flow control
Loss of filter media Lower and/or upper distributor damaged Replace distributor(s)
Leak between riser tube and upper distributor Verify that riser tube is seated correctly and is not
cracked
Control valve fails to
draw brine Low operating pressure Check operating pressure; must be higher than 1,4
bar
Plugged injector Clean injector
Restricted drain line Verify drain line for kinks or restrictions
Restricted brine line Verify brine line for kinks or restrictions
Leak in brine line Verify brine line and connections for air leakage
No water in brine tank Refer to problem “Control valve fails to refill brine
tank”
Control valve cycles
continuously Defective micro switch Replace micro switches
Appliance fails to
backwash properly Low operating pressure Check operating pressure; must be higher than 1,4
bar
Insufficient water supply Check water supply (flow rate/dynamic pressure)
Restricted drain line Verify drain line for kinks or restrictions
Excessive build-up of impurities in pressure tank Clean or replace filter media and control valve;
increase regeneration frequency
Plugged backwash flow control Clean or replace backwash flow control
Plugged top or bottom distributor Verify that top and bottom distributor are clean and
slots are not clogged by iron or other impurities
Filter media is completely ‘caked’ (solid block) Replace filter media and increase regeneration
frequency